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A signed bitfield's range is [-1,0], so assigning 1 is technically an overflow. However, the other bitfield requires a signed value (it supports negative offsets), so it is slightly better to retain a signed 1-bit bitfield and use -1 instead of 1. Silences an MSVC warning.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260973 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Aaron Ballman 2016-02-16 15:35:51 +00:00
parent 4d9522f889
commit ebdb0a36ca
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
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@ -495,7 +495,7 @@ void CodeViewDebug::emitDebugInfoForFunction(const Function *GV,
CodeViewDebug::LocalVarDefRange
CodeViewDebug::createDefRangeMem(uint16_t CVRegister, int Offset) {
LocalVarDefRange DR;
DR.InMemory = 1;
DR.InMemory = -1;
DR.DataOffset = Offset;
assert(DR.DataOffset == Offset && "truncation");
DR.StructOffset = 0;