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compat-libgfortran-48/SOURCES/gcc48-pr68184.patch

60 lines
1.4 KiB

2017-02-28 Jakub Jelinek <jakub@redhat.com>
Backport from mainline
2015-12-02 Jan Hubicka <hubicka@ucw.cz>
PR ipa/68184
* cgraphunit.c (cgraph_node::analyze): Set can_throw_external.
* g++.dg/torture/pr68184.C: New testcase.
--- gcc/cgraphunit.c.jj 2014-09-10 09:15:51.000000000 +0200
+++ gcc/cgraphunit.c 2017-02-28 08:24:44.387385510 +0100
@@ -626,8 +626,10 @@ cgraph_analyze_function (struct cgraph_n
}
else if (node->thunk.thunk_p)
{
- cgraph_create_edge (node, cgraph_get_node (node->thunk.alias),
- NULL, 0, CGRAPH_FREQ_BASE);
+ struct cgraph_node *t = cgraph_get_node (node->thunk.alias);
+ cgraph_create_edge (node, t, NULL, 0,
+ CGRAPH_FREQ_BASE)->can_throw_external
+ = !TREE_NOTHROW (t->symbol.decl);
}
else if (node->dispatcher_function)
{
--- gcc/testsuite/g++.dg/torture/pr68184.C.jj 2017-02-28 08:26:09.205246069 +0100
+++ gcc/testsuite/g++.dg/torture/pr68184.C 2015-12-03 16:39:34.589010321 +0100
@@ -0,0 +1,31 @@
+// { dg-do run }
+namespace {
+struct IFoo { virtual void foo() = 0; };
+struct IBar { virtual void bar() = 0; };
+
+struct FooBar : private IBar, private IFoo
+{
+ void call_foo()
+ {
+ try
+ {
+ static_cast<IFoo*>(this)->foo();
+ }
+ catch( ... ) {}
+ }
+ void foo() { throw 1; }
+ void bar() {}
+};
+
+void test()
+{
+ FooBar foobar;
+ foobar.call_foo();
+}
+}
+int main()
+{
+ test();
+ return 0;
+}
+