Suppress MSVC warning about unused variable.

One variable was only used in an 'assert' call. MSVC flagged this as unused in Release. Suppress the warning and also add a static cast to void so the variable becomes referenced.

Suppress MSVC warning about unused variable.
099a80dd · Jamie Madill · 40c16ec0 · 099a80dd · 099a80dd
Commit 099a80dd authored Mar 18, 2019 by Jamie Madill
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BUILD.gn BUILD.gn +1 -0

SpvPostProcess.cpp SPIRV/SpvPostProcess.cpp +1 -0

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--- a/BUILD.gn
+++ b/BUILD.gn
@@ -152,6 +152,7 @@ source_set("glslang_sources") {
  if (is_win && !is_clang) {
    cflags = [
      "/wd4018", # signed/unsigned mismatch
+      "/wd4189", # local variable is initialized but not referenced
    ]
  }


--- a/SPIRV/SpvPostProcess.cpp
+++ b/SPIRV/SpvPostProcess.cpp
@@ -258,6 +258,7 @@ void Builder::postProcess(Instruction& inst)
                assert(inst.getNumOperands() >= 3);
                unsigned int memoryAccess = inst.getImmediateOperand((inst.getOpCode() == OpStore) ? 2 : 1);
                assert(memoryAccess & MemoryAccessAlignedMask);
+                static_cast<void>(memoryAccess);
                // Compute the index of the alignment operand.
                int alignmentIdx = 2;
                if (inst.getOpCode() == OpStore)