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testsuite,objective-c++: Fix imported NSObjCRuntime.h.

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We have imported some headers from the GNUStep project to allow us
to maintain the testsuite independent to changing versions of system
headers.

One of these headers has a macro that (now we have support for
__has_feature) expands to a declaration that triggers a warning.

These headers are considered part of the implementation so that, in
this case, we can suppress the warning with the system_header pragma.

Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>

gcc/testsuite/ChangeLog:

	* objc-obj-c++-shared/GNUStep/Foundation/NSObjCRuntime.h: Make
	this header use pragma system_header.
This commit is contained in:
Iain Sandoe 2023-06-23 15:29:14 +01:00
parent d0e891406b
commit d83e0e3bc3
1 changed files with 3 additions and 0 deletions
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gcc/testsuite/objc-obj-c++-shared/GNUStep/Foundation/NSObjCRuntime.h
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@ -29,6 +29,9 @@
#ifndef __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE
#define __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE
/* Allow the elaborated enum use in _GS_NAMED_ENUM. */
#pragma GCC system_header
#ifdef __cplusplus
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1