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* Add packed bytes builtin type
* fix test
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* Don't treat StrcturedBuffer<IFoo> as a specializable param.
* Fix RHI.
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* Move switch statement bodies to their own lines
* format
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Co-authored-by: Yong He <yonghe@outlook.com>
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* format
* Minor test fixes
* enable checking cpp format in ci
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* Add stdlib documentation for attributes and interfaces.
* Fix name mangling to avoid collision of functions in different extensions.
* Fix doc.
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* Squash redundant move warnings
* Move C interface from slang.h to slang-deprecated.h
spGetBuildTagString remains, because it's useful to have before the
global session exists.
This C API is used quite pervasively in the C++ helpers (for example
slang::UserAttribute. It's not trivial to move these to
slang-deprecated.h as they're entangled with some enums which are
themselves used elsewhere in the compiler.
The fact that these helpers use the C API can be viewed as an
implementation detail for now, and this usage moved to slang-deprecated
in due course.
Closes https://github.com/shader-slang/slang/issues/4758
* Squash warnings for our usage of our deprecated API
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Fix the issue of name mangle
During our name mangling, we should add the direction of the parameter
in the name, otherwise it could have the name collision which will
result in invalid code generation:
e.g.
// in slang-module.slang
export func(float a) { ...}
// in test.slang
extern func(inout float a);
when we compile test.slang, slang will pass a pointer type to the
'func', however, in the slang-module.slang, `func` expects a value
instead of pointer. This will lead the wrong spirv code.
So we should add the parameter direction into the mangle name such
that above two symbols will have the different mangled names, and
we will catch this during IR-link stage.
* Change to use to get param direction
* Address few comments
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Do not mange the name of identifiers decorated by "__extern_cpp".
For a slang files that are included by the library module and entry
point module, slang could generated two different mangled names for
the same functions, because the function with a struct parameter will
make the mangled function name contains the file name. Therefore, we
allow using "__extern_cpp" on such struct, such that no file name is
associated in the mangled name.
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validation. (#3784)
* Fix name mangling.
* Fix source validation.
* Caching and search path fixes.
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* Support link-time constants.
* Fix.
* Fix.
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* Diagnose for invalid decl nesting.
* Fix.
* Fix.
* Fix.
* Fix `namespace` lookup and `using` resolution.
* fix project files.
* revert project files.
* Enhance namespace syntax, docs.
* Fixes.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Initial support for generic interfaces.
* Cleanup.
* Add generic syntax for interfaces.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Correct namespace for getClockFrequency
* missing const
* Add missing assignment operator
* Remove unused variables
* Return correct modified variable
* Use stable hash code for file system identity
* terse static_assert
* Structured binding for map iteration
* Make (==) and getHashCode const on many structs
* Add ConstIterator for LinkedList
* Replace uses of ItemProxy::getValue with Dictionary::at
* Extract list of loads from gradientsMap before updating it
* Const correctness in type layout
* Add unordered_dense hashmap submodule
* Use wyhash or getHashCode in slang-hash.h
* refactor slang-hash.h
* Use ankerl/unordered_dense as a hashmap implementation
Notable changes:
- The subscript operator returns a reference directly to the value,
rather than a lazy ItemProxy (pair of dict pointer and key)
slang-profile time (95% over 10 runs):
- Before: 6.3913906 (±0.0746)
- After: 5.9276123 (±0.0964)
* 64 bit hash for strings
So they have the same hash as char buffers with the same contents
* Narrowing warnings for gcc to match msvc
* revert back to c++17
* Correct c++ version for msvc
* Use path to unordered_dense which keeps tests happy
* Do not assign to and read from map in same expression
* Remove redundant map operations in primal-hoist
* Split out stable hash functions into slang-stable-hash.h
* 64 bit hash by default
* regenerate vs projects
* Correct return type from HashSetBase::getCount()
* correct width for call to Dictionary::reserve
* Use stable hash for obfuscated module ids
* Signed int for reserve
* clearer variable naming
* Parameterize Dictionary on hash and equality functors
* Allow heterogenous lookup for Dictionary
* missing const
* Use set over operator[] in some places
* Remove unused function
* s/at/getValue
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* Fix name mangling of modified types.
* Add `InterlockedAdd(__ref uint, int)` overload.
* Fix.
* Fix type error in ImageStore legalization.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Redesign DeclRef + Deduplicate Val.
* Update project files
* Fix warning.
* Fix.
* Fix.
* Remove `Val::_equalsImplOverride`.
* Rmove `Val::_getHashCodeOverride`.
* Remove `semanticVisitor` param from `resolve`.
* Cleanups.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Simplify lookup.
* Various bug fixes.
* Report type dictionary size in perf benchmark.
* Remove type duplication.
* increase initial dict size.
* Bug fix.
* Fix bugs.
* Fixup.
* Revert type legalization looping.
* Fix specialization pass.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Make DeclRefBase a Val, and DeclRef<T> a helper class.
* Fixes.
* Workaround gcc parser issue.
* Revert NodeOperand change.
* Fix.
* Fix clang incomplete class complains.
* Fix code review.
* Small cleanups and improvements.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Bottleneck DeclRef creation through ASTBuilder.
* Fix clang error.
* Fix.
* Fix.
* More fix.
* Rebase on top of tree.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* MVP for higher order functions
* Add shader subgroup partitioned glsl intrinsics
* Implement parsing and checking for tuple types
Currently there is no way to do anything useful with them from the source language however
* neaten
* Correct precedence of function type parsing
* neaten
* higher order function tests
* function types of any arity
* Inference for higher order functions
* Add second test for unsynchronized params
* regenerate vs projects
* dx11 -> dx12 for saturated cooperations tests
* Disable saturated cooperation tests on vulkan
They fail on release builds in CI, not essential for the higher order function work however
* remove saturated-cooperation tests
* Remove unnecessary assert and clarify control flow in AddDeclRefOverloadCandidates
* Add Tuple type name mangling
* Use functype keyword to introduce function types
* Add more inference tests for hof
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Co-authored-by: Yong He <yonghe@outlook.com>
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP lowerCamel Dictionary.
* WIP more lowerCamel fixes for Dictionary.
* Add/Remove/Clear
* GetValue/Contains
* Fix tabs in dictionary.
Count -> getCount
* Fix fields with caps.
* Key -> key
Value -> value
Use m_ for members where appropriate.
Use lowerCamel in linked list.
* Some small fixes/improvements to Dictionary.
* Kick CI.
* Small tidy on String.
* Append -> append
* ToString -> toString
ProduceString -> produceString
* Small fixes.
* StringToXXX -> stringToXXX
* Fix typo introduced by Append -> append.
* Made intToAscii do reversal at the end.
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Co-authored-by: Yong He <yonghe@outlook.com>
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP lowerCamel Dictionary.
* WIP more lowerCamel fixes for Dictionary.
* Add/Remove/Clear
* GetValue/Contains
* Fix tabs in dictionary.
Count -> getCount
* Fix fields with caps.
* Key -> key
Value -> value
Use m_ for members where appropriate.
Use lowerCamel in linked list.
* Some small fixes/improvements to Dictionary.
* Kick CI.
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* Fix name mangling of `FuncCallIntVal` in func signatures.
* Enhance the test.
* Fix.
* Fix.
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Co-authored-by: Yong He <yhe@nvidia.com>
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Co-authored-by: Yong He <yhe@nvidia.com>
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stdlib. (#2615)
* Allow array parameters in forward diff.
* Use type canonicalization instead of coersion.
* Reimplement array type.
* Fix.
* Update test case.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Split bwd_diff op into separate ops for primal and propagate func.
* Fix.
* Download swiftshader with github actions instead of curl on linux.
* Fix github action.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Autodiff through simple dynamic dispatch.
* Revert changes.
* Fix.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Clean up type checking of higher order expressions.
* Replace `goto` with `break` to pacify clang.
* Fix.
* Fixes.
* Fix more tests.
* Fix lowerWitnessTable parameter error.
* Exclude attributes from ast printing.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Add [ForwardDerivativeOf] attribute.
* Fix handling around phi nodes.
* Fixes.
* Remove IR opcode for ForwardDerivativeOfDecoration.
Co-authored-by: Yong He <yhe@nvidia.com>
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* GFX: support D3D12EnableExperimentalFeatures.
* Fix.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Language feature: pointer sized int types.
* Fix.
* small change to test.
* Fix stdlib.
* Fix.
* Fix.
* Add typedef for `size_t` in stdlib.
* Fix test.
* Add `intptr_t::size` constant.
Co-authored-by: Yong He <yhe@nvidia.com>
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* wip: dedup AST type nodes and cache lookup.
* Fix.
* Remove profiling.
* Fixes.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Various vulkan/glsl fixes.
* Fix.
* Fix.
* Canonicalize type constraints for name mangling.
Co-authored-by: Yong He <yhe@nvidia.com>
Co-authored-by: Theresa Foley <10618364+tangent-vector@users.noreply.github.com>
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* Fixed naming conflicts in heterogeneous-hello-world
Added 3 new modifiers (`__unmangled`, `__exportDirectly`, `__externLib`)
`__unmangled` causes mangleName() to return the normal name of the decl.
`__exportDirectly` changes parent decl name concatenation behavior to use
"::" instead of "." (for Name Hint) and emits the name hint when it exists,
otherwise it emits the mangled name.
`__externLib` stops Slang from emitting the corresponding struct.
Also made necessary changes to heterogeneous-hello-world so that this new
functionality is shown off.
* Undo unintentional formatting changes
Co-authored-by: Yong He <yonghe@outlook.com>
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* Fix mangling logic for the case where a symbol name contains characters that aren't permitted (this usually occurs when a module name consists of the actual path to the module). There were multiple early-out `if` cases that accidentally fell through to the fallback path, so that symbol names would end up being excessively long.
* Fix type conversion cost lookup cache, by allowing single-element vectors (e.g., `vector<float,1>`) and single row/column matrix types to be distinguished from types of lower rank. Previously, `float` and `float1` and `float1x1` would share a single cache entry, even though each (currently) has very different conversion rules.
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This change is related to a case where a user saw a `/` character printed as part of a structure field name in output HLSL (which obviously broke downstream compilation).
The root cause in that case was that a module that was `import`ed was found via a file system directory path, and thus the module name that the Slang compiler formed included a `/`. Due to other factors the structure field was emitted based on its mangled name (missing name hint), and that meant the bare `/` escaped into the output.
That situation implies some other things maybe are questionable:
* Could we have avoided a `/` ending up in the module name to begin with? Maybe, but we kind of want to support non-ASCII characters in names in the long run.
* Could we have fixed whatever was causing the name hint to be dropped? Maybe, but we don't ever want name hints to be *required* for valid compilation (hence why they are "hints").
Even if we investigate these other issues, it is important that the name mangling scheme only ever produce output that uses a constrained subset of ASCII that we expect most compilation targets can support (GLSL being an annoying outlier because of its rules around `_`).
This change adds a path where when mangling a `Name` as part of a mangled symbol name we check for the presence of bytes that aren't allowed and then produce an escaped form instead if needed. Note that the code is still byte-oriented for now aothough in the long-run it might want to be oriented around Unicode code points or extended grapheme clusters.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out compiler-core initially with just slang-source-loc.cpp
* More lexer, name, token to compiler-core.
* Split Lexer and Core diagnostics.
* Move slang-file-system to core.
* Add slang-file-system to core.
* More DownstreamCompiler into compiler-core
* Fix typo.
* Add compiler-core to bootstrap proj.
* Small fixes to premake
* For linux try with compiler-core
* Remove compiler-core from examples.
* Added NameConventionUtil to compiler-core
* Add global function to CharUtil to *hopefully* avoid linking issue.
* Hack to make linkage of CharUtil work on linux.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Mangling/module name extraction for GenericDecl
* Add comment on SerialFilter to explain re-enabling Stmt.
* Support setting up SyntaxDecl when reconstructed after deserialization.
* Improvements to setup SyntaxDecl.
* Fix typo so can read compressed SourceLocs.
* Fix issue with SourceManger.
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* Add a ASTBuilder to a Module
Only construct on valid ASTBuilder (was being called on nullptr on occassion)
* Add nodes to ASTBuilder.
* Compiles with RefPtr removed from AST node types.
* Initialize all AST node pointer variables in headers to nullptr;
* Initialize AST node variables as nullptr.
Make ASTBuilder keep a ref on node types.
Make SyntaxParseCallback returns a NodeBase
* Don't release canonicalType on dtor (managed by ASTBuilder).
* Give ASTBuilders a name and id, to help in debugging.
For now destroy the session TypeCache, to stop it holding things released when the compile request destroys ASTBuilders.
* Moved the TypeCheckingCache over to Linkage from Session.
* NodeBase no longer derived from RefObject.
* Only add/dtor nodes that need destruction.
First pass compile on linux.
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* Small improvements to documentation and code around DiagnosticSink
* Made methods/functions in slang-syntax.h be lowerCamel
Removed some commented out source (was placed elsewhere in code)
* Making AST related methods and function lowerCamel.
Made IsLeftValue -> isLeftValue.
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* Compiles.
* Small tidy up around session/ASTBuilder.
* Tests are now passing.
* Fix Visual Studio project.
* Fix using new X to use builder when protectedness of Ctor is not enough.
Substitute->substitute
* Add some missing ast nodes created outside of ASTBuilder.
* Compile time check that ASTBuilder is making an AST type.
* Moced findClasInfo and findSyntaxClass (essentially the same thing) to SharedASTBuilder from Session.
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* Fields from upper to lower case in slang-ast-decl.h
* Lower camel field names in slang-ast-stmt.h
* Fix fields in slang-ast-expr.h
* slang-ast-type.h make fields lowerCamel.
* slang-ast-base.h members functions lowerCamel.
* Method names in slang-ast-type.h to lowerCamel.
* GetCanonicalType -> getCanonicalType
* Substitute -> substitute
* Equals -> equals
ToString -> toString
* ParentDecl -> parentDecl
Members -> members
* * Make hash code types explicit
* Use HashCode as return type of GetHashCode
* Added conversion from double to int64_t
* Split Stable from other hash functions
* toHash32/64 to convert a HashCode to the other styles.
GetHashCode32/64 -> getHashCode32/64
GetStableHashCode32/64 -> getStableHashCode32/64
* Other Get/Stable/HashCode32/64 fixes
* GetHashCode -> getHashCode
* Equals -> equals
* CreateCanonicalType -> createCanonicalType
* Catches of polymorphic types should be through references otherwise slicing can occur.
* Fixes for newer verison of gcc.
Fix hashing problem on gcc for Dictionary.
* Another fix for GetHashPos
* Fix signed issue around GetHashPos
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* Fields from upper to lower case in slang-ast-decl.h
* Lower camel field names in slang-ast-stmt.h
* Fix fields in slang-ast-expr.h
* slang-ast-type.h make fields lowerCamel.
* slang-ast-base.h members functions lowerCamel.
* Method names in slang-ast-type.h to lowerCamel.
* GetCanonicalType -> getCanonicalType
* Substitute -> substitute
* Equals -> equals
ToString -> toString
* ParentDecl -> parentDecl
Members -> members
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* * Added MemberFilterStyle - controls action of FilteredMemberList and FilteredMemberRefList
* Splt out template implementations
* Use more standard method names dofr FilteredMemberRefList
* Added reflect-static.slang test
* Added isNotEmpty/isEmpty to filtered lists
* Added ability to index into filtered list (so not require building of array)
* Default MemberFilterStyle to All.
* Remove explicit MemberFilterStyle::All
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* Define compound intrinsic ops in the standard library
The current stdlib code has a notion of "compound" intrinsic ops, which use the `__intrinsic_op` modifier but don't actually map to a single IR instruction.
Instead, most* of these map to multiple IR instructions using hard-coded logic in `slang-ir-lower.cpp`.
(* One special case is `kCompoundOp_Pos` that is used for unary `operator+` and that maps to *zero* IR instructions)
All of the opcodes that used to use the `kCompoundOp_` enumeration values now have definitions directly in the stdlib and use the new `[__unsafeForceInlineEarly]` attribute to ensure that they get inlined into their use sites so that the output code is as close as possible to the original.
For the most part, generating the stdlib definitions for the compound ops is straightforward, but here's some notes:
* The unary `operator+` I just defined directly in Slang code, since it doesn't share much structure with other cases
* The unary increment/decrement ops are generated as a cross product of increment/decrement and prefix/postfix. The logic is a bit messy but given that we have scalar, vector, and matrix versions to deal with it still saves code overall
* Because all the compound/assignment cases got moved out, the existing code for generating unary/binary ops can be simplified a bit
* All the no-op bit-cast operations like `asfloat(float)` are now inline identity functions
* A few other small cleanups are made by not having to worry about the compound ops (which used to be called "pseudo ops") sometimes being encoded in to the same type of value as a real IR opcode.
The one big detail here is a fix for how IR lowering works for `let` declarations: they were previously being `materialize()`d which only guarantees that they've been placed in a contiguous and addressable location, but doesn't actually convert them to an r-value. As a result a `let` declaration could accidentally capture a mutable location by reference, which is definitely *not* what we wanted it to do. Fixing this was needed to make the new postfix `++` definition work (several existing tests end up covering this).
One important forward-looking note:
One subtle (but significant) choice in this change is that we actually reduce the number of declarations in the stdlib, because instead of having the compound operators include both per-type and generic overloads (just listing scalar cases for now):
float operator+=(in out float left, float right) { ... }
int operator+=(in out int left, int right) { ... }
...
T operator+= <T:__BuiltinBlahBlah>(in out T left, T right) { ... }
We now have *only* the single generic version:
T operator+= <T:__BuiltinBlahBlah>(in out T left, T right) { ... }
In running our current tests, this change didn't lead to any regressions (perhaps surprisingly).
Given that we were able to reduce the number of overloads for `operator+=` by a factor of N (where N is the number of built-in types), it seems worth considering whether we could also reduce the number of overloads of `operator+` by the same factor by only having generic rather than per-type versions.
One concern that this forward-looking question raises is whether the quality of diagnostic messages around bad calls to the operators might suffer when there are only generic overloads instead of per-type overloads. In order to feel out this problem I added a test case that includes some bad operator calls both to `+=` (which is now only generic with this change) and `+` (which still has per-type overloads). Overall, I found the quality of the error messages (in terms of the candidates that get listed) isn't perfect for either, but personally I prefer the output in the generic case.
As part of adding that test, I also added some fixups to how overload resolution messages get printed, to make sure the function name is printed in more cases, and also that the candidates print more consistently. These changes affected the expected output for one other diagnostic test.
* fixup: disable bad operator test on non-Windows targets
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