From: Richard Stallman <rms@gnu.org>
Date: Sat, 12 Sep 1992 19:08:12 +0000 (+0000)
Subject: (yylex): If integer value overflows so highword is negative,
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a120b7889de5c2127f5dca2559ff0d9999611957;p=platform%2Fupstream%2Fgcc.git

(yylex): If integer value overflows so highword is negative,

it needs unsigned long long.

From-SVN: r2111
---

diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index 1587ae6..629e93b 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -1558,6 +1558,8 @@ yylex ()
 		else if (! spec_long_long)
 		  ansi_type = long_unsigned_type_node;
 		else if (! spec_unsigned
+			 /* Verify value does not overflow into sign bit.  */
+			 && TREE_INT_CST_HIGH (yylval.ttype) >= 0
 			 && int_fits_type_p (yylval.ttype,
 					     long_long_integer_type_node))
 		  ansi_type = long_long_integer_type_node;