Copy SourceLoc when inlining (#1692)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Copy source loc information when inlining.

2 files changed, 42 insertions, 0 deletions

diff --git a/tests/diagnostics/syntax-error-op-line-3.slang b/tests/diagnostics/syntax-error-op-line-3.slang
new file mode 100644
index 000000000..d8b1fa600
--- /dev/null
+++ b/tests/diagnostics/syntax-error-op-line-3.slang
@@ -0,0 +1,41 @@
+// syntax-error-op-line-3.slang
+
+// NOTE! That although this is a 'diagnostic' like test, it tests using downstream compiler
+// the downstream compiler being present is a requirement, so we mark as a 'TEST' so that 
+// those tests are made.
+
+//TEST:SIMPLE_LINE:-entry computeMain -target spirv 
+//TEST:SIMPLE_LINE:-entry computeMain -target dxil -profile cs_6_0 
+//TEST:SIMPLE_LINE:-entry computeMain -target dxbc 
+//TEST:SIMPLE_LINE:-entry computeMain -target dll 
+//TEST:SIMPLE_LINE:-entry computeMain -target ptx 
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+// Here the thing being checked is error reporting around return, and += 
+
+[__unsafeForceInlineEarly]
+int doSomething(int a)
+{
+    a += a;
+    
+    return a 
+    += 
+    __SyntaxError();
+}
+
+[shader("compute")]
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    int id = int(dispatchThreadID.x);
+    
+    int v = int(dispatchThreadID.y);
+    
+    
+    
+    v += doSomething(id);
+    
+    outputBuffer[id] = v;
+}
\ No newline at end of file
diff --git a/tests/diagnostics/syntax-error-op-line-3.slang.expected b/tests/diagnostics/syntax-error-op-line-3.slang.expected
new file mode 100644
index 000000000..e522732c7
--- /dev/null
+++ b/tests/diagnostics/syntax-error-op-line-3.slang.expected
@@ -0,0 +1 @@
+38