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Don't crash on invalid closure.

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From-SVN: r167821
This commit is contained in:
Ian Lance Taylor 2010-12-14 23:10:22 +00:00
parent cad51bedb5
commit 42cbb8c178
1 changed files with 11 additions and 6 deletions
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17
gcc/go/gofrontend/gogo-tree.cc
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@ -1313,14 +1313,19 @@ Function::get_or_make_decl(Gogo* gogo, Named_object* no, tree id)
push_struct_function(decl);
tree closure_decl = this->closure_var_->get_tree(gogo, no);
if (closure_decl == error_mark_node)
this->fndecl_ = error_mark_node;
else
{
DECL_ARTIFICIAL(closure_decl) = 1;
DECL_IGNORED_P(closure_decl) = 1;
TREE_USED(closure_decl) = 1;
DECL_ARG_TYPE(closure_decl) = TREE_TYPE(closure_decl);
TREE_READONLY(closure_decl) = 1;
DECL_ARTIFICIAL(closure_decl) = 1;
DECL_IGNORED_P(closure_decl) = 1;
TREE_USED(closure_decl) = 1;
DECL_ARG_TYPE(closure_decl) = TREE_TYPE(closure_decl);
TREE_READONLY(closure_decl) = 1;
DECL_STRUCT_FUNCTION(decl)->static_chain_decl = closure_decl;
}
DECL_STRUCT_FUNCTION(decl)->static_chain_decl = closure_decl;
pop_cfun();
}
}