- $defined(hashmap.init(mem)) causes compiler segfault #2611.

releasenotes.md

@@ -47,6 +47,7 @@
 - Unexpected maybe-deref subscript error with out parameter #2600.
 - Bug on rethrow in return with defer #2603.
 - Fix bug when converting from vector to distinct type of wider vector. #2604
+- `$defined(hashmap.init(mem))` causes compiler segfault #2611.
 
 ### Stdlib changes
 - Add `CGFloat` `CGPoint` `CGSize` `CGRect` types to core_foundation (macOS).

src/compiler/sema_expr.c

@@ -3728,7 +3728,6 @@ static inline bool sema_call_analyse_member_get(SemaContext *context, Expr *expr
 }
 static inline bool sema_expr_analyse_call(SemaContext *context, Expr *expr, bool *no_match_ref)
 {
-	if (no_match_ref) *no_match_ref = true;
 	Expr *func_expr = exprptr(expr->call_expr.function);
 	if (!sema_analyse_expr(context, func_expr)) return false;
 	bool optional = func_expr->type && IS_OPTIONAL(func_expr);
@@ -11042,7 +11041,7 @@ static inline bool sema_expr_analyse_ct_defined(SemaContext *context, Expr *expr
 			}
 			case EXPR_CALL:
 			{
-				bool no_match;
+				bool no_match = false;
 				if (!sema_expr_analyse_call(active_context, main_expr, &no_match))
 				{
 					if (!no_match) goto FAIL;

test/unit/regression/defined_ct.c3

@@ -0,0 +1,7 @@
+module defined_call;
+import std;
+
+HashMap {String, int} val;
+const bool V = $defined(val.init(mem));
+
+fn void main() {}