gcc/testsuite/c-c++-common/Wdangling-pointer-8.c

   1 /* Verify -Wdangling-pointer is issued only once.
   2    { dg-do compile }
   3    { dg-options "-O -Wall" } */
   4
   5 void *p;
   6
   7 void escape_global_warn_once (void)
   8 {
   9   int x[5];
  10
  11   p = &x[3];        // { dg-regexp "\[^\n\r\]+: warning: \[^\n\r\]+ \\\[-Wdangling-pointer.?\\\]" "message" }
  12 }
  13
  14
  15 void escape_param_warn_once (void **p)
  16 {
  17   int x[5];
  18
  19   *p = &x[3];       // { dg-regexp "\[^\n\r\]+: warning: \[^\n\r\]+ \\\[-Wdangling-pointer.?\\\]" "message" }
  20 }