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Don't crash on redefined variable. 

From-SVN: r170029
This commit is contained in:
Ian Lance Taylor 2011-02-10 23:38:50 +00:00
parent 8629c99851
commit d5f3d14a42
1 changed files with 7 additions and 1 deletions
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8
gcc/go/gofrontend/parse.cc
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@ -1848,7 +1848,13 @@ Parse::init_var(const Typed_identifier& tid, Type* type, Expression* init,
*is_new = true;
Variable* var = new Variable(type, init, this->gogo_->in_global_scope(),
false, false, location);
return this->gogo_->add_variable(tid.name(), var);
Named_object* no = this->gogo_->add_variable(tid.name(), var);
if (!no->is_variable())
{
// The name is already defined, so we just gave an error.
return this->gogo_->add_sink();
}
return no;
}
// Create a dummy global variable to force an initializer to be run in