/* { dg-do preprocess } */ /* { dg-options "-Wall" } */ /* Test that -Wall emits the warnings about integer promotion changing the sign of an operand. */ #if -1 > 0U /* { dg-warning "changes sign when promoted" } */ #endif #if 0U + -1 /* { dg-warning "changes sign when promoted" } */ #endif #if 0U * -1 /* { dg-warning "changes sign when promoted" } */ #endif #if 1U / -2 /* { dg-warning "changes sign when promoted" } */ #endif #if -1 % 1U /* { dg-warning "changes sign when promoted" } */ #endif #if 1 ? 0U : -1 /* { dg-warning "changes sign when promoted" } */ #endif #if 1 ? -1 : 0U /* { dg-warning "changes sign when promoted" } */ #endif