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Correct type size comparison. 

From-SVN: r174814
This commit is contained in:
Ian Lance Taylor 2011-06-08 18:56:00 +00:00
parent f419ed5805
commit 2427150138
1 changed files with 7 additions and 2 deletions
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9
gcc/go/gofrontend/expressions.cc
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@ -754,8 +754,13 @@ Expression::check_bounds(tree val, tree bound_type, tree sofar,
ret = NULL_TREE;
}
if ((TYPE_UNSIGNED(val_type) && !TYPE_UNSIGNED(bound_type))
|| TYPE_SIZE(val_type) > TYPE_SIZE(bound_type))
HOST_WIDE_INT val_type_size = int_size_in_bytes(val_type);
HOST_WIDE_INT bound_type_size = int_size_in_bytes(bound_type);
go_assert(val_type_size != -1 && bound_type_size != -1);
if (val_type_size > bound_type_size
|| (val_type_size == bound_type_size
&& TYPE_UNSIGNED(val_type)
&& !TYPE_UNSIGNED(bound_type)))
{
tree max = TYPE_MAX_VALUE(bound_type);
tree big = fold_build2_loc(loc, GT_EXPR, boolean_type_node, val,