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re PR preprocessor/32868 (Don't warn about redefinitions of __STDC_FORMAT_MACROS)

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libcpp
	PR preprocessor/32868:
	* macro.c (_cpp_create_definition): Special case
	__STDC_FORMAT_MACROS.
gcc/testsuite
	PR preprocessor/32868:
	* gcc.dg/cpp/pr32868.c: New file.

From-SVN: r130544
This commit is contained in:
Tom Tromey 2007-11-30 18:24:01 +00:00 • committed by Tom Tromey
parent 28d67019f9
commit 607f74e9c6
4 changed files with 19 additions and 1 deletions
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3
libcpp/macro.c
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@ -1695,7 +1695,8 @@ _cpp_create_definition (cpp_reader *pfile, cpp_hashnode *node)
/* Enter definition in hash table. */
node->type = NT_MACRO;
node->value.macro = macro;
if (! ustrncmp (NODE_NAME (node), DSC ("__STDC_")))
if (! ustrncmp (NODE_NAME (node), DSC ("__STDC_"))
&& ustrcmp (NODE_NAME (node), (const uchar *) "__STDC_FORMAT_MACROS"))
node->flags |= NODE_WARN;
return ok;