Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/torture/stackalign/eh-vararg-1.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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/* { dg-do run } */ /* { dg-skip-if "Stack alignment is too small" { hppa*-*-hpux* } } */ /* { dg-require-effective-target alloca } */ #include <stdarg.h> #include "check.h" #ifndef ALIGNMENT #define ALIGNMENT 64 #endif typedef int aligned __attribute__((aligned(ALIGNMENT))); int global; void bar (char *p, int size) { __builtin_strncpy (p, "good", size); } class Base {}; struct A : virtual public Base { A() {} }; struct B {}; void foo (const char *fmt, ...) #if __cplusplus <= 201402L throw (B,A) // { dg-warning "deprecated" "" { target { c++11 && { ! c++17 } } } } #endif { va_list arg; char *p; aligned i; int size; double x; va_start (arg, fmt); size = va_arg (arg, int); if (size != 5) abort (); p = (char *) __builtin_alloca (size + 1); x = va_arg (arg, double); if (x != 5.0) abort (); bar (p, size); if (__builtin_strncmp (p, "good", size) != 0) { #ifdef DEBUG p[size] = '\0'; printf ("Failed: %s != good\n", p); #endif abort (); } if (check_int (&i, __alignof__(i)) != i) abort (); throw A(); va_end (arg); } int main() { try { foo ("foo", 5, 5.0); } catch (A& a) { } return 0; }