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Don't crash on type switch of untyped value.

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From-SVN: r170456
This commit is contained in:
Ian Lance Taylor 2011-02-24 04:02:33 +00:00
parent 6540ddba79
commit acabc10c98
1 changed files with 5 additions and 1 deletions
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6
gcc/go/gofrontend/statements.cc
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@ -3911,7 +3911,11 @@ Type_switch_statement::do_lower(Gogo*, Block* enclosing)
if (val_type->is_nil_type())
rhs = Expression::make_nil(loc);
else
rhs = Expression::make_type_descriptor(val_type, loc);
{
if (val_type->is_abstract())
val_type = val_type->make_non_abstract_type();
rhs = Expression::make_type_descriptor(val_type, loc);
}
Statement* s = Statement::make_assignment(lhs, rhs, loc);
b->add_statement(s);
}