Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/cast-function-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR c/12085 */ /* Origin: David Hollenberg <dhollen@mosis.org> */ /* Verify that the compiler doesn't inline a function at a calling point where it is viewed with a different prototype than the actual one. */ /* { dg-do compile } */ /* { dg-options "-O3" } */ int foo1(int); int foo2(); typedef struct { double d; int a; } str_t; void bar(double d, int i, str_t s) { d = ((double (*) (int)) foo1) (i); /* { dg-warning "8:non-compatible|abort" } */ i = ((int (*) (double)) foo1) (d); /* { dg-warning "8:non-compatible|abort" } */ s = ((str_t (*) (int)) foo1) (i); /* { dg-warning "8:non-compatible|abort" } */ ((void (*) (int)) foo1) (d); /* { dg-warning "non-compatible|abort" } */ i = ((int (*) (int)) foo1) (i); /* { dg-bogus "non-compatible|abort" } */ (void) foo1 (i); /* { dg-bogus "non-compatible|abort" } */ d = ((double (*) (int)) foo2) (i); /* { dg-warning "8:non-compatible|abort" } */ i = ((int (*) (double)) foo2) (d); /* { dg-bogus "non-compatible|abort" } */ s = ((str_t (*) (int)) foo2) (i); /* { dg-warning "non-compatible|abort" } */ ((void (*) (int)) foo2) (d); /* { dg-warning "non-compatible|abort" } */ i = ((int (*) (int)) foo2) (i); /* { dg-bogus "non-compatible|abort" } */ (void) foo2 (i); /* { dg-bogus "non-compatible|abort" } */ } int foo1(int arg) { /* Prevent the function from becoming const and thus DCEd. */ __asm volatile ("" : "+r" (arg)); return arg; } int foo2(arg) int arg; { /* Prevent the function from becoming const and thus DCEd. */ __asm volatile ("" : "+r" (arg)); return arg; }