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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2016-12-07 19:10:50 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2016-12-07 19:10:50 +0000
commit6f7e2d6ed1811533a05748b7d07e01aa356feed3 (patch)
treed7b5af4b797553f6965b1acd08878728c2806364 /gcc
parent2d7869ef1f432aa4184c7822f629f34db27da4e0 (diff)
downloadgcc-6f7e2d6ed1811533a05748b7d07e01aa356feed3.tar.gz
PR c++/78692
* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Set lhs var to lhs of new_stmt right before noreturn handling rather than to lhs of e->call_stmt early. * g++.dg/torture/pr78692.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243377 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/cgraph.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/torture/pr78692.C26
4 files changed, 39 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c4055dc1501..b14b7900598 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2016-12-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/78692
+ * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Set lhs
+ var to lhs of new_stmt right before noreturn handling rather than to
+ lhs of e->call_stmt early.
+
2016-12-07 David Malcolm <dmalcolm@redhat.com>
* read-md.c (rtx_reader::require_char): New method.
diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 867e371a3f9..fd2465e81a6 100644
--- a/gcc/cgraph.c
+++ b/gcc/cgraph.c
@@ -1271,7 +1271,6 @@ cgraph_edge::redirect_call_stmt_to_callee (void)
cgraph_edge *e = this;
tree decl = gimple_call_fndecl (e->call_stmt);
- tree lhs = gimple_call_lhs (e->call_stmt);
gcall *new_stmt;
gimple_stmt_iterator gsi;
bool skip_bounds = false;
@@ -1526,6 +1525,7 @@ cgraph_edge::redirect_call_stmt_to_callee (void)
gimple_call_set_fntype (new_stmt, TREE_TYPE (e->callee->decl));
/* If the call becomes noreturn, remove the LHS if possible. */
+ tree lhs = gimple_call_lhs (new_stmt);
if (lhs
&& gimple_call_noreturn_p (new_stmt)
&& (VOID_TYPE_P (TREE_TYPE (gimple_call_fntype (new_stmt)))
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 71bf5066269..2706d0e51b9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/78692
+ * g++.dg/torture/pr78692.C: New test.
+
2016-12-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR rtl-optimization/78617
diff --git a/gcc/testsuite/g++.dg/torture/pr78692.C b/gcc/testsuite/g++.dg/torture/pr78692.C
new file mode 100644
index 00000000000..57a0d2fcb0a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr78692.C
@@ -0,0 +1,26 @@
+// PR c++/78692
+
+int a;
+void *b;
+extern "C" {
+struct C {
+ virtual int d ();
+};
+struct E {
+ virtual int operator () (int, const void *, int) = 0;
+};
+class F {
+ int g ();
+ int h;
+ E &i;
+};
+struct : C, E {
+ int operator () (int, const void *, int) { throw int(); }
+} j;
+
+int
+F::g ()
+{
+ a = i (h, b, 0);
+}
+}