https://llvm.org/bugs/show_bug.cgi?id=26124
Bug ID: 26124
Summary: [ms] Regression(256730): Miscompile in 32-bit code
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: unassignedclangb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Repro:
llvm-build\bin\clang-cl main.cc outline.cc -m32 /Fefoo.exe /O1 /Ob2 /GF /Oy-
/Oi /Os
foo
The executable crashes. Works fine without r256730, works fine in CL.
(Might be a code error, but the code is pretty short by now, and I still don't
see an error -- seems like some stack alignment thing)
Attaching main.cc and outline.cc momentarily. Not quite minimal, but fairly
small. outline.cc only exists to outline a single function, so that clang can't
optimize the program away.
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