PR middle-end/63884

c-family/
	* array-notation-common.c (is_sec_implicit_index_fn): Return false
	for NULL fndecl.
	(extract_array_notation_exprs): Return for NULL node.
testsuite/
	* c-c++-common/cilk-plus/AN/pr63884.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217612 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/c-family/array-notation-common.c b/gcc/c-family/array-notation-common.c
index f8bce04bbc1..cb5708c27b2 100644
--- a/gcc/c-family/array-notation-common.c
+++ b/gcc/c-family/array-notation-common.c
@@ -35,6 +35,9 @@ along with GCC; see the file COPYING3.  If not see
 bool
 is_sec_implicit_index_fn (tree fndecl)
 {
+  if (!fndecl)
+    return false;
+
   if (TREE_CODE (fndecl) == ADDR_EXPR)
     fndecl = TREE_OPERAND (fndecl, 0);
 
@@ -327,6 +330,9 @@ extract_array_notation_exprs (tree node, bool ignore_builtin_fn,
 			      vec<tree, va_gc> **array_list)
 {
   size_t ii = 0;  
+
+  if (!node)
+    return;
   if (TREE_CODE (node) == ARRAY_NOTATION_REF)
     {
       vec_safe_push (*array_list, node);