Viewing file:  Warray-bounds-50.c (1.28 KB) -rw-r--r--
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/* PR middle-end/92349 - ICE in -Warray-bounds on a VLA member
{ dg-do compile }
{ dg-options "-O2 -Wall" }
{ dg-require-effective-target alloca } */
typedef __SIZE_TYPE__ size_t;
void sink (void*, ...);
void mem_vla_cst_store_idx (void)
{
int n = 3;
struct {
char a[n], b;
} s;
char *p = s.a;
s.a[0] = 0;
s.b = 0;
*++p = 1;
*++p = 2;
sink (&s, p);
}
void mem_vla_range_store_idx (int n)
{
if (n < 3 || 4 < n)
n = 3;
struct {
char a[n], b;
} s;
char *p = s.a;
s.a[0] = 0;
s.b = 0;
*++p = 1;
*++p = 2;
sink (&s, p);
}
void mem_vla_var_store_idx (size_t n)
{
struct {
char a[n], b;
} s;
char *p = s.a;
s.a[0] = 0;
s.b = 0;
*++p = 1;
*++p = 2;
sink (&s, p);
}
void mem_vla_cst_store_ptr (void)
{
int n = 3;
struct {
char a[n], b;
} s;
char *p = s.a;
*p++ = __LINE__;
*p++ = __LINE__;
*p++ = __LINE__;
sink (&s, p);
}
void mem_vla_range_store_ptr (int n)
{
if (n < 3 || 4 < n)
n = 3;
struct {
char a[n], b;
} s;
char *p = s.a;
*p++ = __LINE__;
*p++ = __LINE__;
*p++ = __LINE__;
sink (&s, p);
}
void mem_vla_var_store_ptr (size_t n)
{
struct {
char a[n], b;
} s;
char *p = s.a;
*p++ = __LINE__;
*p++ = __LINE__;
*p++ = __LINE__;
sink (&s, p);
}
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