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[Darwin, testsuite] Fix Wnonnull on Darwin.

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Darwin does not mark entries in string.h with nonnull attributes
so the test fails.  Since the purpose of the test is to check that
the warnings are issued for an inlined function, not that the target
headers are marked up, we can provide marked up headers for Darwin.

gcc/testsuite/ChangeLog:

2019-10-19  Iain Sandoe  <iain@sandoe.co.uk>

	* gcc.dg/Wnonnull.c: Add attributed function declarations for
	memcpy and strlen for Darwin.

From-SVN: r277202
This commit is contained in:
Iain Sandoe 2019-10-19 07:44:49 +00:00 • committed by Iain Sandoe
parent dc7e9feb19
commit 2366bf60c6
2 changed files with 14 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2019-10-19 Iain Sandoe <iain@sandoe.co.uk>
* gcc.dg/Wnonnull.c: Add attributed function declarations for
memcpy and strlen for Darwin.
2019-10-18 Martin Sebor <msebor@redhat.com>
PR tree-optimization/92157

9
gcc/testsuite/gcc.dg/Wnonnull.c
View file

@ -2,7 +2,16 @@
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
#ifndef __APPLE__
#include <string.h>
#else
/* OSX headers do not mark up the nonnull elements yet. */
# include <stddef.h>
extern size_t strlen (const char *__s)
__attribute ((pure)) __attribute ((nonnull (1)));
extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
size_t __n) __attribute ((nonnull (1, 2)));
#endif
char buf[100];