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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 4e3df54c1..0bbf6031d 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -5629,7 +5629,9 @@ CALL_ARGUMENT_CHECKER(check_named_call_arguments) {
defer ({
for_array(i, ordered_operands) {
Operand const &o = ordered_operands[i];
- call->viral_state_flags |= o.expr->viral_state_flags;
+ if (o.expr != nullptr) {
+ call->viral_state_flags |= o.expr->viral_state_flags;
+ }
}
});