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Fix lower and upper values for a bit_set[Enum] type.

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gingerBill
2021-08-13 14:17:27 +01:00
parent e6b2df4b2b
commit 0e84e06756
1 changed files with 6 additions and 2 deletions
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src/check_type.cpp
+6 -2
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@@ -986,8 +986,8 @@ void check_bit_set_type(CheckerContext *c, Type *type, Type *named_type, Ast *no
error(bs->elem, "Enum type for bit_set must be an integer"); error(bs->elem, "Enum type for bit_set must be an integer");
return; return;
} }
i64 lower = 0; i64 lower = I64_MAX;
i64 upper = 0; i64 upper = I64_MIN;
for_array(i, et->Enum.fields) { for_array(i, et->Enum.fields) {
Entity *e = et->Enum.fields[i]; Entity *e = et->Enum.fields[i];
@@ -1001,6 +1001,10 @@ void check_bit_set_type(CheckerContext *c, Type *type, Type *named_type, Ast *no
lower = gb_min(lower, x); lower = gb_min(lower, x);
upper = gb_max(upper, x); upper = gb_max(upper, x);
} }
if (et->Enum.fields.count == 0) {
lower = 0;
upper = 0;
}
GB_ASSERT(lower <= upper); GB_ASSERT(lower <= upper);