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[Bug c++/71182] [6/7 Regression] parser.c cp_lexer_previous_token sanitizer detects member call on null pointer
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 06 Dec 2016 13:46:20 +0000
- Subject: [Bug c++/71182] [6/7 Regression] parser.c cp_lexer_previous_token sanitizer detects member call on null pointer
- Auto-submitted: auto-generated
- References: <bug-71182-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71182
--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
So, perhaps:
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 08f5f9e52ef2..f430af97fdf1 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -765,7 +765,7 @@ cp_lexer_previous_token (cp_lexer *lexer)
/* Skip past purged tokens. */
while (tp->purged_p)
{
- gcc_assert (tp != lexer->buffer->address ());
+ gcc_assert (!lexer->buffer || tp != lexer->buffer->address ());
tp--;
}