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Fix #1356

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This commit is contained in:
gingerBill
2022-01-03 12:51:32 +00:00
parent e4f28de3de
commit 236b08cb49
1 changed files with 4 additions and 5 deletions
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9
src/check_type.cpp
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@@ -922,20 +922,19 @@ void check_bit_set_type(CheckerContext *c, Type *type, Type *named_type, Ast *no
i64 lower = big_int_to_i64(&i);
i64 upper = big_int_to_i64(&j);
bool lower_changed = false;
i64 actual_lower = lower;
i64 bits = MAX_BITS;
if (type->BitSet.underlying != nullptr) {
bits = 8*type_size_of(type->BitSet.underlying);
if (lower > 0) {
lower = 0;
lower_changed = true;
actual_lower = 0;
} else if (lower < 0) {
error(bs->elem, "bit_set does not allow a negative lower bound (%lld) when an underlying type is set", lower);
}
}
i64 bits_required = upper-lower;
i64 bits_required = upper-actual_lower;
switch (be->op.kind) {
case Token_Ellipsis:
case Token_RangeFull:
@@ -959,7 +958,7 @@ void check_bit_set_type(CheckerContext *c, Type *type, Type *named_type, Ast *no
break;
}
if (!is_valid) {
if (lower_changed) {
if (actual_lower != lower) {
error(bs->elem, "bit_set range is greater than %lld bits, %lld bits are required (internal the lower changed was changed 0 as an underlying type was set)", bits, bits_required);
} else {
error(bs->elem, "bit_set range is greater than %lld bits, %lld bits are required", bits, bits_required);