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-rw-r--r--src/check_expr.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index 15380e55c..b0012bfcc 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -8760,8 +8760,10 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
i64 lo = exact_value_to_i64(x.value);
i64 hi = exact_value_to_i64(y.value);
i64 max_index = hi;
- if (op.kind == Token_RangeHalf) {
+ if (op.kind == Token_RangeHalf) { // ..< (exclusive)
hi -= 1;
+ } else { // .. (inclusive)
+ max_index += 1;
}
bool new_range = range_cache_add_range(&rc, lo, hi);