procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Don't store error types in the Type-to-GENERIC hash table.

Browse source 
From-SVN: r167838
This commit is contained in:
Ian Lance Taylor 2010-12-15 01:45:57 +00:00
parent 3db1a28cce
commit 2e3d957596
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
gcc/go/gofrontend/types.cc
View file

@ -791,6 +791,9 @@ Type::get_tree(Gogo* gogo)
|| this->named_type() != NULL)
return this->get_tree_without_hash(gogo);
if (this->is_error_type())
return error_mark_node;
// To avoid confusing GIMPLE, we need to translate all identical Go
// types to the same GIMPLE type. We use a hash table to do that.
// There is no need to use the hash table for named types, as named
@ -807,6 +810,14 @@ Type::get_tree(Gogo* gogo)
tree t = this->get_tree_without_hash(gogo);
// Don't store errors in the hash table. This type might be a
// pointer to an error type or something like that. Since error
// types are identical to everything else, that could cause us to
// return error_mark_node for pointers to any type, which will then
// confuse us later.
if (t == error_mark_node)
return error_mark_node;
if (ins.first->second == NULL_TREE)
ins.first->second = t;
else