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Don't crash on array type with erroneous length expression.

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From-SVN: r168176
This commit is contained in:
Ian Lance Taylor 2010-12-22 16:47:53 +00:00
parent 6430af3843
commit 8d2866eafb
1 changed files with 6 additions and 2 deletions
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8
gcc/go/gofrontend/types.cc
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@ -4359,8 +4359,12 @@ Array_type::get_length_tree(Gogo* gogo)
// expression. FIXME: This won't work in general.
Translate_context context(gogo, NULL, NULL, NULL_TREE);
tree len = this->length_->get_tree(&context);
len = convert_to_integer(integer_type_node, len);
this->length_tree_ = save_expr(len);
if (len != error_mark_node)
{
len = convert_to_integer(integer_type_node, len);
len = save_expr(len);
}
this->length_tree_ = len;
}
}
return this->length_tree_;