https://bugs.llvm.org/show_bug.cgi?id=50209
Bug ID: 50209
Summary: Lambda function names generated by Clang does not
conform to ABI
Product: clang
Version: trunk
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: lxf...@gmail.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
When compiling lambda functions, the generated function
names use different conventions than GCC.
Example: https://godbolt.org/z/5qvqKqEe6
The lambda in Clang is named "_Z3barIZ3foovE3$_0EvT_", while the one
in GCC is named "_Z3barIZ3foovEUlvE_EvT_". Their demangled names are
also different ("void bar<foo()::$_0>(foo()::$_0)" vs "void
bar<foo()::{lambda()#1}>(foo()::{lambda()#1})").
Discussions in clang-dev:
https://lists.llvm.org/pipermail/cfe-dev/2021-May/068080.html
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