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re PR c++/71182 (parser.c cp_lexer_previous_token sanitizer detects member call on null pointer)

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PR c++/71182
	* parser.c (cp_lexer_previous_token): Use vec_safe_address in the
	assertion, as lexer->buffer may be NULL.

	* g++.dg/cpp0x/pr71182.C: New test.

From-SVN: r244070
This commit is contained in:
Jakub Jelinek 2017-01-04 21:05:14 +01:00 • committed by Jakub Jelinek
parent fb85f9d05f
commit 066435fe10
4 changed files with 24 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2017-01-04 Jakub Jelinek <jakub@redhat.com>
PR c++/71182
* parser.c (cp_lexer_previous_token): Use vec_safe_address in the
assertion, as lexer->buffer may be NULL.
2017-01-04 Marek Polacek <polacek@redhat.com>
PR c++/77545

2
gcc/cp/parser.c
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@ -766,7 +766,7 @@ cp_lexer_previous_token (cp_lexer *lexer)
/* Skip past purged tokens. */
while (tp->purged_p)
{
gcc_assert (tp != lexer->buffer->address ());
gcc_assert (tp != vec_safe_address (lexer->buffer));
tp--;
}

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2017-01-04 Jakub Jelinek <jakub@redhat.com>
PR c++/71182
* g++.dg/cpp0x/pr71182.C: New test.
2017-01-04 Kelvin Nilsen <kelvin@gcc.gnu.org>
PR target/78056

12
gcc/testsuite/g++.dg/cpp0x/pr71182.C Normal file
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@ -0,0 +1,12 @@
// PR c++/71182
// { dg-do compile { target c++11 } }
class A {
template <typename> void As();
};
template <typename T> class B : A {
void f() {
A *g ;
g ? g->As<T>() : nullptr;
}
};