gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-28.c

   1 /* PR middle-end/100732 - ICE on sprintf %s with integer argument
   2    { dg-do compile }
   3    { dg-options "-O2 -Wall -fdump-tree-optimized" } */
   4
   5 void gb (char *d, _Bool b)
   6 {
   7   __builtin_sprintf (d, "%s", b);       // { dg-warning "\\\[-Wformat" }
   8 }
   9
  10 void gi (char *d, int i)
  11 {
  12   __builtin_sprintf (d, "%s", i);       // { dg-warning "\\\[-Wformat" }
  13 }
  14
  15 void gd (char *d, double x)
  16 {
  17   __builtin_sprintf (d, "%s", x);       // { dg-warning "\\\[-Wformat" }
  18 }
  19
  20
  21 struct X { int i; };
  22
  23 void gx (char *d, struct X x)
  24 {
  25   __builtin_sprintf (d, "%s", x);       // { dg-warning "\\\[-Wformat" }
  26 }
  27
  28 /* Also verify that the invalid sprintf call isn't folded to strcpy.
  29    { dg-final { scan-tree-dump-times "sprintf" 4 "optimized" } }
  30    { dg-final { scan-tree-dump-not "strcpy" "optimized" } } */