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Drop duplicate half of doubly-applied test. 

From-SVN: r266854
This commit is contained in:
Jeff Law 2018-12-06 06:46:25 -07:00
parent 44d6626ced
commit 51948daf1c
1 changed files with 0 additions and 64 deletions
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64
gcc/testsuite/gcc.dg/Wstringop-truncation-5.c
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@ -62,67 +62,3 @@ void test_compound_literal (struct S *s)
strncpy (s->a, (char[]){ STR }, sizeof s->a - 1);
s->a [sizeof s->a - 1] = '\0';
}
/* PR tree-optimization/87028 - false positive -Wstringop-truncation
strncpy with global variable source string
{ dg-do compile }
{ dg-options "-O2 -Wstringop-truncation" } */
char *strncpy (char *, const char *, __SIZE_TYPE__);
#define STR "1234567890"
struct S
{
char a[5], b[5];
};
const char arr[] = STR;
const char* const ptr = STR;
const char arr2[][10] = { "123", STR };
void test_literal (struct S *s)
{
strncpy (s->a, STR, sizeof s->a - 1); /* { dg-bogus "\\\[-Wstringop-truncation]" } */
s->a[sizeof s->a - 1] = '\0';
}
void test_global_arr (struct S *s)
{
strncpy (s->a, arr, sizeof s->a - 1); /* { dg-bogus "\\\[-Wstringop-truncation]" } */
s->a [sizeof s->a - 1] = '\0';
}
void test_global_arr2 (struct S *s)
{
strncpy (s->a, arr2[1], sizeof s->a - 1); /* { dg-bogus "\\\[-Wstringop-truncation]" } */
s->a [sizeof s->a - 1] = '\0';
strncpy (s->b, arr2[0], sizeof s->a - 1);
}
void test_global_ptr (struct S *s)
{
strncpy (s->a, ptr, sizeof s->a - 1); /* { dg-bogus "\\\[-Wstringop-truncation]" } */
s->a [sizeof s->a - 1] = '\0';
}
void test_local_arr (struct S *s)
{
const char arr[] = STR;
strncpy (s->a, arr, sizeof s->a - 1);
s->a [sizeof s->a - 1] = '\0';
}
void test_local_ptr (struct S *s)
{
const char* const ptr = STR;
strncpy (s->a, ptr, sizeof s->a - 1); /* { dg-bogus "\\\[-Wstringop-truncation]" } */
s->a [sizeof s->a - 1] = '\0';
}
void test_compound_literal (struct S *s)
{
strncpy (s->a, (char[]){ STR }, sizeof s->a - 1);
s->a [sizeof s->a - 1] = '\0';
}