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Don't crash indexing into erroneous array.
author
Ian Lance Taylor
<ian@gcc.gnu.org>
Tue, 21 Dec 2010 22:59:31 +0000
(22:59 +0000)
committer
Ian Lance Taylor
<ian@gcc.gnu.org>
Tue, 21 Dec 2010 22:59:31 +0000
(22:59 +0000)
From-SVN: r168142
gcc/go/gofrontend/expressions.cc
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diff --git
a/gcc/go/gofrontend/expressions.cc
b/gcc/go/gofrontend/expressions.cc
index
0745704
..
5cd9e66
100644
(file)
--- a/
gcc/go/gofrontend/expressions.cc
+++ b/
gcc/go/gofrontend/expressions.cc
@@
-9154,7
+9154,11
@@
Array_index_expression::do_get_tree(Translate_context* context)
source_location loc = this->location();
Array_type* array_type = this->array_->type()->array_type();
- gcc_assert(array_type != NULL);
+ if (array_type == NULL)
+ {
+ gcc_assert(this->array_->type()->is_error_type());
+ return error_mark_node;
+ }
tree type_tree = array_type->get_tree(gogo);
if (type_tree == error_mark_node)