[Bug middle-end/124583] wrong code at -O2 when compiling with PGO on x86_64-pc-linux-gnu

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124583

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I can reproduce it:
[apinski@xeond2 upstream-gcc-git]$ mv attachment.cgi\?id\=63982 a-t.gcda
[apinski@xeond2 upstream-gcc-git]$ ~/upstream-gcc/bin/gcc t.c
[apinski@xeond2 upstream-gcc-git]$ ./a.out
2
[apinski@xeond2 upstream-gcc-git]$ ~/upstream-gcc/bin/gcc t.c  -O2
-fprofile-use -Wno-coverage-mismatch
t.c: In function ‘main’:
t.c:38:5: warning: profile for function ‘main’ not found in profile data
[-Wmissing-profile]
   38 | int main() {
      |     ^~~~
t.c: In function ‘kk’:
t.c:31:5: warning: profile for function ‘kk’ not found in profile data
[-Wmissing-profile]
   31 | int kk(int p1) {
      |     ^~
t.c: In function ‘iy’:
t.c:26:5: warning: profile for function ‘iy’ not found in profile data
[-Wmissing-profile]
   26 | int iy(int p1) {
      |     ^~
t.c: In function ‘in’:
t.c:17:5: warning: profile for function ‘in’ not found in profile data
[-Wmissing-profile]
   17 | int in(int *p1) {
      |     ^~
t.c: In function ‘e’:
t.c:6:6: warning: profile for function ‘e’ not found in profile data
[-Wmissing-profile]
    6 | void e(int p1) {
      |      ^
[apinski@xeond2 upstream-gcc-git]$ ./a.out
0