Public bug reported:
// bug.cpp
// g++ -std=c++14 bug.cpp -DCAUSE_GCC_INTERNAL_COMPILER_ERROR
inline constexpr bool bug() noexcept {
#ifdef CAUSE_GCC_INTERNAL_COMPILER_ERROR
auto tmp = __FUNCTION__; // same for __PRETTY_FUNCTION__
#else
auto tmp = "bug";
#endif
return true;
}
static_assert(bug(), "g++ 5.3.1 bug");
int main(int, const char *[]) { return 0; }
$ g++ -std=c++14 bug.cpp
$ g++ -std=c++14 bug.cpp -DCAUSE_GCC_INTERNAL_COMPILER_ERROR
bug.cpp:11:18: in constexpr expansion of ‘bug()’
bug.cpp:11:38: internal compiler error: Segmentation fault
static_assert(bug(), "g++ 5.3.1 bug");
^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.
$ gcc --version
gcc (Ubuntu 5.3.1-14ubuntu2.1) 5.3.1 20160413
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04 LTS"
** Affects: gcc-5 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1593608
Title:
__FUNCTION__ causes g++ internal compiler error in constexpr functions
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