gcc/testsuite/g++.dg/torture/stackalign/eh-alloca-1.C

   1 /* { dg-do run } */
   2 /* { dg-skip-if "Stack alignment is too small" { hppa*-*-hpux* } } */
   3
   4 #include "check.h"
   5
   6 #ifndef ALIGNMENT
   7 #define ALIGNMENT       64
   8 #endif
   9
  10 typedef int aligned __attribute__((aligned(ALIGNMENT)));
  11
  12 int global;
  13
  14 void
  15 bar (char *p, int size)
  16 {
  17   __builtin_strncpy (p, "good", size);
  18 }
  19
  20 class Base {};
  21
  22 struct A : virtual public Base
  23 {
  24   A() {}
  25 };
  26
  27 struct B {};
  28
  29 void
  30 foo (int size)
  31 #if __cplusplus <= 201402L
  32 throw (B,A)                     // { dg-warning "deprecated" "" { target { c++11 && { ! c++1z } } } }
  33 #endif
  34 {
  35   char *p = (char*) __builtin_alloca (size + 1);
  36   aligned i;
  37
  38   bar (p, size);
  39   if (__builtin_strncmp (p, "good", size) != 0)
  40     {
  41 #ifdef DEBUG
  42       p[size] = '\0';
  43       printf ("Failed: %s != good\n", p);
  44 #endif
  45       abort ();
  46     }
  47
  48   if (check_int (&i,  __alignof__(i)) != i)
  49     abort ();
  50
  51   throw A();
  52 }
  53
  54 int
  55 main()
  56 {
  57   try { foo (5); }
  58   catch (A& a) { }
  59   return 0;
  60 }