int
main ()
{
main();
}
Compiling this program at different optimisation levels gives different
results. Levels O3 and Os appear to be broken (with GCC 4.1.1).
$ g++ t.cxx -c -ansi -pedantic -O0
t.cxx: In function int main():
t.cxx:4: error: ISO C++ forbids taking address of function ::main
$ g++ t.cxx -c -ansi -pedantic -O1
t.cxx: In function int main():
t.cxx:4: error: ISO C++ forbids taking address of function ::main
$ g++ t.cxx -c -ansi -pedantic -O2
t.cxx: In function int main():
t.cxx:4: error: ISO C++ forbids taking address of function ::main
$ g++ t.cxx -c -ansi -pedantic -O3
$ g++ t.cxx -c -ansi -pedantic -Os
--
Summary: Calling main allowed at O3 and Os
Product: gcc
Version: 4.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: andrew dot stubbs at st dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32165
