https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63311
--- Comment #6 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- Created attachment 33852 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33852&action=edit C testcase warning with : gcc -O1 -std=c11 -g PR63311.c -lm && valgrind ./a.out
