From 1e537948675aa0543bad80ab38f931f16b145d1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20L=C3=B3pez-Ib=C3=A1=C3=B1ez?= <manu@gcc.gnu.org>
Date: Tue, 8 May 2012 22:14:34 +0000
Subject: [PATCH] re PR c++/53261 (ICE in tree_strip_nop_conversions)
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2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/53261
c-family/
* c-common.c (warn_logical_operator): Check that argument of
integer_zerop is not NULL.
From-SVN: r187300
---
gcc/c-family/ChangeLog | 6 ++++++
gcc/c-family/c-common.c | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index accb9850074c..52a7f5c9a407 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,9 @@
+2012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/53261
+ * c-common.c (warn_logical_operator): Check that argument of
+ integer_zerop is not NULL.
+
2012-05-05 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/43772
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index 04a265f97db0..1cdef9a995c3 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -1629,7 +1629,7 @@ warn_logical_operator (location_t location, enum tree_code code, tree type,
in0_p = !in0_p;
tem = build_range_check (UNKNOWN_LOCATION, type, lhs, in0_p, low0, high0);
- if (integer_zerop (tem))
+ if (tem && integer_zerop (tem))
return;
rhs = make_range (op_right, &in1_p, &low1, &high1, &strict_overflow_p);
@@ -1644,7 +1644,7 @@ warn_logical_operator (location_t location, enum tree_code code, tree type,
in1_p = !in1_p;
tem = build_range_check (UNKNOWN_LOCATION, type, rhs, in1_p, low1, high1);
- if (integer_zerop (tem))
+ if (tem && integer_zerop (tem))
return;
/* If both expressions have the same operand, if we can merge the
--
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