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-rw-r--r--gcc/cp/ChangeLog4
-rw-r--r--gcc/cp/optimize.c4
-rw-r--r--gcc/testsuite/ChangeLog3
-rw-r--r--gcc/testsuite/g++.dg/other/friend7.C9
4 files changed, 18 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index a7acfa7..d3871aa 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,9 @@
2017-03-10 Jakub Jelinek <jakub@redhat.com>
+ PR c++/79899
+ * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
+ Use XALLOCAVEC macro.
+
PR c++/79896
* decl.c (finish_enum_value_list): If value is error_mark_node,
don't copy it and change its type.
diff --git a/gcc/cp/optimize.c b/gcc/cp/optimize.c
index 933612c..d646ef7 100644
--- a/gcc/cp/optimize.c
+++ b/gcc/cp/optimize.c
@@ -262,7 +262,7 @@ maybe_thunk_body (tree fn, bool force)
populate_clone_array (fn, fns);
/* Don't use thunks if the base clone omits inherited parameters. */
- if (ctor_omit_inherited_parms (fns[0]))
+ if (fns[0] && ctor_omit_inherited_parms (fns[0]))
return 0;
DECL_ABSTRACT_P (fn) = false;
@@ -324,7 +324,7 @@ maybe_thunk_body (tree fn, bool force)
if (length > max_parms)
max_parms = length;
}
- args = (tree *) alloca (max_parms * sizeof (tree));
+ args = XALLOCAVEC (tree, max_parms);
/* We know that any clones immediately follow FN in TYPE_METHODS. */
FOR_EACH_CLONE (clone, fn)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8b89d82..a7dae3d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
2017-03-10 Jakub Jelinek <jakub@redhat.com>
+ PR c++/79899
+ * g++.dg/other/friend7.C: New test.
+
PR c++/79896
* g++.dg/ext/int128-5.C: New test.
diff --git a/gcc/testsuite/g++.dg/other/friend7.C b/gcc/testsuite/g++.dg/other/friend7.C
new file mode 100644
index 0000000..4d22a87
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/friend7.C
@@ -0,0 +1,9 @@
+// PR c++/79899
+
+// { dg-do compile }
+// { dg-options "-Os" }
+
+struct A
+{
+ friend A::~A() {} // { dg-error "implicitly friends of their class" }
+};