| /* { dg-lto-do run } */ |
| /* { dg-lto-options { { -O0 -flto } } } */ |
| /* { dg-extra-ld-options "-O2 -ffast-math -fuse-linker-plugin" } */ |
| /* { dg-require-linker-plugin "" } */ |
| |
| /* We require a linker plugin because otherwise we'd need to link |
| against libm which we are not sure here has cabs on all targets. |
| This is because collect2 invokes ld on the -O0 object code |
| which does not have folded cabs. */ |
| |
| double cabs(_Complex double); |
| double __attribute__((used)) |
| foo (_Complex double x, int b) |
| { |
| if (b) |
| x = 0; |
| return cabs(x); |
| } |
| |
| /* We provide a dummy sqrt to avoid link failures on targets that do not |
| expand sqrt inline. Note that we do not link against libm in order |
| to ensure cabs is not satisfied by the library, but must be folded. */ |
| double __attribute__((used)) |
| sqrt (double x) |
| { |
| return x; |
| } |
| |
| int main() { return 0; } |
