Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/guality/pr89463.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line source
/* { dg-do run } */ /* { dg-options "-g" } */ void __attribute__((noinline)) optimize_me_not () { __asm__ volatile ("" : : : "memory"); } int a; int main() { int i; for (; a < 10; a++) i = 0; for (; i < 6; i++) ; /* i may very well be optimized out, so we cannot test for i == 6. Instead test i + 1 which will make the test UNSUPPORTED if i is optimized out. Since the test previously had wrong debug with i == 0 this is acceptable. Optimally we'd produce a debug stmt for the final value of the loop which would fix the UNSUPPORTED cases. */ optimize_me_not(); /* { dg-final { gdb-test . "i + 1" "7" } } */ return 0; }