/* PR c/89425 - -Wabsolute-value warns in dead subexpressions { dg-do compile } { dg-options "-Wabsolute-value -ftrack-macro-expansion=0" } */ struct Vals { signed char sc; signed short ss; signed int si; signed long sl; signed long long sll; unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; unsigned long long ull; float f; double d; long double ld; }; #define abs(x) __builtin_abs (x) #define labs(x) __builtin_labs (x) #define llabs(x) __builtin_llabs (x) #define fabsf(x) __builtin_fabsf (x) #define fabs(x) __builtin_fabs (x) void tst_warn (struct Vals *p) { /* Verify that "-Wabsolute-value is issued for subexpressions that are evaluated. */ p->uc = 0 ? abs (p->sc) : abs (p->uc); /* { dg-warning "\\\[-Wabsolute-value]" } */ p->us = 0 ? abs (p->ss) : abs (p->us); /* { dg-warning "\\\[-Wabsolute-value]" } */ p->ui = 0 ? abs (p->si) : abs (p->ui); /* { dg-warning "\\\[-Wabsolute-value]" } */ p->ul = 0 ? labs (p->sl) : labs (p->ul); /* { dg-warning "\\\[-Wabsolute-value]" } */ p->ull = 0 ? llabs (p->sll) : llabs (p->ull); /* { dg-warning "\\\[-Wabsolute-value]" } */ p->d = 0 ? fabs (p->d) : fabsf (p->d); /* { dg-warning "\\\[-Wabsolute-value]" } */ } void tst_no_warn (struct Vals *p) { /* Verify that "-Wabsolute-value is not issued for subexpressions that are not evaluated. */ p->uc = 0 ? abs (p->uc) : abs (p->sc); p->us = 0 ? abs (p->us) : abs (p->ss); p->ui = 0 ? abs (p->ui) : abs (p->si); p->ul = 0 ? labs (p->ul) : labs (p->sl); p->ull = 0 ? llabs (p->ull) : llabs (p->sll); p->d = 0 ? fabsf (p->d) : fabs (p->d); }