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I recently upgraded from llvm 3.7.1 to a pre release of llvm (3.8.0rc2) in order to test some issues regarding bug 24233. After upgrading I starting to see heap corruption messages in vs 2015 sp1 when my program exits. "HEAP[ConsoleEngine.exe]: Invalid address specified to RtlValidateHeap( 0000000000290000, 0000000000318698 )" Initially I only got it in Release build. Debug build seems to be fine, but recently I also got them in Debug build. I traced it down how to trigger it in Debug Mode. It happens when I put the Execution...

...r <gekkekoe at gmail.com> wrote: > > I recently upgraded from llvm 3.7.1 to a pre release of llvm (3.8.0rc2) in > order to test some issues regarding bug 24233. > After upgrading I starting to see heap corruption messages in vs 2015 sp1 > when my program exits. > "HEAP[ConsoleEngine.exe]: Invalid address specified to RtlValidateHeap( > 0000000000290000, 0000000000318698 )" > > Initially I only got it in Release build. Debug build seems to be fine, > but recently I also got them in Debug build. > I traced it down how to trigger it in Debug Mode. It happens...

...gt; wrote: > >> >> I recently upgraded from llvm 3.7.1 to a pre release of llvm (3.8.0rc2) >> in order to test some issues regarding bug 24233. >> After upgrading I starting to see heap corruption messages in vs 2015 sp1 >> when my program exits. >> "HEAP[ConsoleEngine.exe]: Invalid address specified to RtlValidateHeap( >> 0000000000290000, 0000000000318698 )" >> >> Initially I only got it in Release build. Debug build seems to be fine, >> but recently I also got them in Debug build. >> I traced it down how to trigger it in Deb...

...throws heap error. During debug when I force HasHungOffUses = true, everything is fine and the correct original ptr is computed and freed. So I'm guessing that that value should have stayed true. I also have set a data breakpoint on HashHungOffUses when it's accessed and did noticed that ConsoleEngine.exe!llvm::Function::__autoclassinit2(unsigned __int64) C++ ConsoleEngine.exe!llvm::Function::Create(llvm::FunctionType * Ty, llvm::GlobalValue::LinkageTypes Linkage, const llvm::Twine & N, llvm::Module * M) Line 116 C++ caused it to be set to False. So do I need to trace into all the Function...

...ug when I force HasHungOffUses = true, > everything is fine and the correct original ptr is computed and freed. So > I'm guessing that that value should have stayed true. > > I also have set a data breakpoint on HashHungOffUses when it's accessed > and did noticed that > ConsoleEngine.exe!llvm::Function::__autoclassinit2(unsigned __int64) C++ > ConsoleEngine.exe!llvm::Function::Create(llvm::FunctionType * Ty, > llvm::GlobalValue::LinkageTypes Linkage, const llvm::Twine & N, > llvm::Module * M) Line 116 C++ > > caused it to be set to False. So do I need to tra...