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yacc.c: don't use _Pragma GCC diagnostic with 4.6

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Reported by Peter Simons.
http://lists.gnu.org/archive/html/bug-bison/2012-10/msg00033.html

* data/yacc.c (b4_declare_scanner_communication_variables): 4.7
seems fine though.
This commit is contained in:
Akim Demaille
2012-10-25 14:45:36 +02:00
parent bb8674a537
commit 4f4a54ab92
2 changed files with 2 additions and 1 deletions
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2
data/yacc.c
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@@ -171,7 +171,7 @@ m4_define([b4_declare_scanner_communication_variables], [[
int yychar;
]b4_pure_if([[
#if defined __GNUC__ && (4 < __GNUC__ + (6 <= __GNUC_MINOR__))
#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
/* Suppress an incorrect diagnostic about yylval being uninitialized. */
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
_Pragma ("GCC diagnostic push") \