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authorJakub Jelinek <jakub@redhat.com>2016-05-18 23:23:07 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2016-05-18 23:23:07 +0200
commit960db8ec97c6b2d8381040f71b5852d1854197da (patch)
tree8d9d18a6c3039fc2f51f8f07c4a559a55dd58084
parent78885314088bb56f3c4fa60e4f0b6dfd987b3691 (diff)
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re PR c++/71100 (Internal compiler error while calling a pointer to member function that throws)
PR c++/71100 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop lhs if it has TREE_ADDRESSABLE type. * g++.dg/opt/pr71100.C: New test. From-SVN: r236430
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/cgraph.c3
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/opt/pr71100.C18
4 files changed, 31 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4d261f7..3b94d64 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/71100
+ * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
+ lhs if it has TREE_ADDRESSABLE type.
+
2016-05-18 Uros Bizjak <ubizjak@gmail.com>
PR target/71145
diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 6fcdbdd..cf9192f 100644
--- a/gcc/cgraph.c
+++ b/gcc/cgraph.c
@@ -1515,7 +1515,8 @@ cgraph_edge::redirect_call_stmt_to_callee (void)
/* If the call becomes noreturn, remove the LHS if possible. */
if (lhs
&& (gimple_call_flags (new_stmt) & ECF_NORETURN)
- && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST)
+ && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST
+ && !TREE_ADDRESSABLE (TREE_TYPE (lhs)))
{
if (TREE_CODE (lhs) == SSA_NAME)
{
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 66f5cba..6a684fc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/71100
+ * g++.dg/opt/pr71100.C: New test.
+
2016-05-18 Martin Jambor <mjambor@suse.cz>
PR ipa/69708
diff --git a/gcc/testsuite/g++.dg/opt/pr71100.C b/gcc/testsuite/g++.dg/opt/pr71100.C
new file mode 100644
index 0000000..ff739e2
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr71100.C
@@ -0,0 +1,18 @@
+// PR c++/71100
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct D { ~D (); };
+struct E { D foo () { throw 1; } };
+
+inline void
+bar (D (E::*f) (), E *o)
+{
+ (o->*f) ();
+}
+
+void
+baz (E *o)
+{
+ bar (&E::foo, o);
+}