zig

commit b2e94de3585e0a1242e3a5d6c8fd331da9f2d4f5 (tree)
parent ebd082d3f6813f1d919ed1c1886fdc58b9d31b7d
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Tue, 13 Sep 2022 10:01:17 -0700

add compile error test for pointless discards

Diffstat:
A
test/cases/compile_errors/pointless discard.zig
 | 
12
++++++++++++

1 file changed, 12 insertions(+), 0 deletions(-)
diff --git a/test/cases/compile_errors/pointless discard.zig b/test/cases/compile_errors/pointless discard.zig
@@ -0,0 +1,12 @@
+export fn foo() void {
+    var x: i32 = 1234;
+    x += 1;
+    _ = x;
+}
+
+// error
+// backend=stage2
+// target=native
+//
+// :4:9: error: pointless discard of local variable
+// :3:5: note: used here