https://bugs.llvm.org/show_bug.cgi?id=43375
Bug ID: 43375
Summary: Miscompilation when using map in C++ and targeting
MinGW-w64
Product: clang
Version: 8.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: rogerkung....@outlook.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org,
neeil...@live.com, richard-l...@metafoo.co.uk
Created attachment 22537
--> https://bugs.llvm.org/attachment.cgi?id=22537&action=edit
Test code
When using map (from STL) in C++ and targeting MinGW-w64, Clang may cause
miscompilation. I run into a MinGW-w64 runtime failure when attempting to run
the generated executable program. The error message is:
Mingw-w64 runtime failure:
Unknown pseudo relocation protocol version 16777216.
Moreover, when compiling with GCC, everything works fine.
The compile command I use is as follows:
clang++ 'demo.cpp' -o 'demo.exe' -Wall -g -O2 -static-libgcc
--target=x86_64-w64-mingw -std=c++17
g++ 'demo.cpp' -o 'demo.exe' -Wall -g -O2 -static-libgcc -std=c++17
I use Clang 8.0.1 64-bit and MinGW-w64 (GCC) 8.1.0 on Windows.
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