(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
Wfree-nonheap-object-6.c
       1  /* Similar to Wfree-nonheap-object-5.c but with attribute artificial:
       2     verify that warnings for the same call site from distinct callers
       3     include the correct function names in the inlining stack.
       4     { dg-do compile }
       5     { dg-options "-O1 -Wall" } */
       6  
       7  struct A
       8  {
       9    void *p;
      10  };
      11  
      12  __attribute__ ((always_inline, artificial))
      13  inline void f0 (struct A *p)
      14  {
      15    __builtin_free (p->p);      // { dg-warning "\\\[-Wfree-nonheap-object" }
      16  }
      17  
      18  // Expect two instances of the text below:
      19  // { dg-regexp "In function 'f0'," "first f0 prefix" { target *-*-* } 0 }
      20  // { dg-regexp "In function 'f0'," "second f0 prefix" { target *-*-* } 0 }
      21  
      22  __attribute__ ((always_inline, artificial))
      23  inline void f1 (struct A *p) { f0 (p); }
      24  __attribute__ ((always_inline, artificial))
      25  inline void f2 (struct A *p) { f1 (p); }
      26  
      27  extern int array[];
      28  // Also expect two instances of the note:
      29  // { dg-regexp "declared here" "first note for array" { target *-*-* } .-2 }
      30  // { dg-regexp "declared here" "second note for array" { target *-*-* } .-3 }
      31  
      32  void foo (struct A *p)
      33  {
      34    p->p = array + 1;
      35    f0 (p);
      36  }
      37  
      38  // { dg-regexp " +inlined from 'foo' at \[^:\]+Wfree-nonheap-object-6.c:35:\\d+:" "inlined from foo" }
      39  
      40  
      41  void bar (struct A *p)
      42  {
      43    p->p = array + 2;
      44    f2 (p);
      45  }
      46  
      47  // { dg-regexp " +inlined from 'f1' at \[^:\]+Wfree-nonheap-object-6.c:23:\\d+," "inlined from f1" }
      48  // { dg-regexp " +inlined from 'f2' at \[^:\]+Wfree-nonheap-object-6.c:25:\\d+," "inlined from f2" }
      49  // { dg-regexp " +inlined from 'bar' at \[^:\]+Wfree-nonheap-object-6.c:44:\\d+:" "inlined from bar" }