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Don't crash when using receive on erroneous channel.

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From-SVN: r170468
This commit is contained in:
Ian Lance Taylor 2011-02-24 13:58:51 +00:00
parent e15b6067f2
commit bf6526a053
1 changed files with 5 additions and 1 deletions
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6
gcc/go/gofrontend/expressions.cc
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@ -12264,7 +12264,11 @@ tree
Receive_expression::do_get_tree(Translate_context* context)
{
Channel_type* channel_type = this->channel_->type()->channel_type();
gcc_assert(channel_type != NULL);
if (channel_type == NULL)
{
gcc_assert(this->channel_->type()->is_error_type());
return error_mark_node;
}
Type* element_type = channel_type->element_type();
tree element_type_tree = element_type->get_tree(context->gogo());