https://bugs.llvm.org/show_bug.cgi?id=43163
Bug ID: 43163
Summary: Calling main() not identified as undefined behavior
Product: clang
Version: 8.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: jeff.lina...@gmail.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
// ubtest.cpp
int main() {main();}
Compiling with "clang++ -fsanitize=undefined ubtest.cpp -o ubtest.exe"
In C++ calling main() is UB so I'd expect UBSan to immediately detect the nasal
demons invoked but this actually stack overflows after 250 calls on Ubuntu.
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