Feature/premake linux (#689)

* Premake work in progress for linux.

* Added dump function.

* Remove examples on linux
Small warning fix.

* * Don't build render-test on linux
* Removed work around virtual destructor warning, and just used virtual dtor for simplicity
* Git ignore obj directories

* Fix premake working on windows.

* * Fix sprintf_s functions
* Make generates arg parsing more robust

* Added FloatIntUnion to avoid type punning/strong aliasing issues, and repeated union definitions.

* Work around problems building on linux with getClass claiming a strict aliasing issue.

* Fix for targetBlock appearing potentiall used unintialized to gcc.

* Linux slang link options -fPIC to make dll.

* Add -fPIC to build options on linux.

* Add -ldl for linux on slang.

* Fixes to try and get premake working with .so on linux.

* Make core compile with -fPIC

* Try to fix linux linking with --no-as-needed before -ldl

* Add rpath back.

* Remove render-gl from linux build.

* Re-add location for linux.

* Don't include <malloc.h> except on windows.

* Remove unused line to fix warning on osx.

* Remove ambiguity on OSX for operator <<.

* Fixing ambiguity with operator overloading and Int types for OSX.

* Fix ambiguity around UInt and operator

* Fix ambiguity of UInt conversion for OSX.

* Added UnambiguousInt and UnambiguousUInt to make it easier to work around OSX integer coercion for UInt/Int types.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/slang/lower-to-ir.cpp b/source/slang/lower-to-ir.cpp
index 1ee521e3b..6cce469ea 100644
--- a/source/slang/lower-to-ir.cpp
+++ b/source/slang/lower-to-ir.cpp
@@ -2691,7 +2691,7 @@ struct StmtLoweringVisitor : StmtVisitor<StmtLoweringVisitor>
         // We just need to look up the basic block that
         // corresponds to the break label for that statement,
         // and then emit an instruction to jump to it.
-        IRBlock* targetBlock;
+        IRBlock* targetBlock = nullptr;
         context->shared->breakLabels.TryGetValue(parentStmt, targetBlock);
         SLANG_ASSERT(targetBlock);
         getBuilder()->emitBreak(targetBlock);
@@ -2710,7 +2710,7 @@ struct StmtLoweringVisitor : StmtVisitor<StmtLoweringVisitor>
         // We just need to look up the basic block that
         // corresponds to the continue label for that statement,
         // and then emit an instruction to jump to it.
-        IRBlock* targetBlock;
+        IRBlock* targetBlock = nullptr;
         context->shared->continueLabels.TryGetValue(parentStmt, targetBlock);
         SLANG_ASSERT(targetBlock);
         getBuilder()->emitContinue(targetBlock);