FileCheck repeat.

Author: cjgillot

tests/mir-opt/const_prop/repeat.rs

@@ -1,9 +1,11 @@
-// skip-filecheck
 // unit-test: ConstProp
 // EMIT_MIR_FOR_EACH_PANIC_STRATEGY
 // EMIT_MIR_FOR_EACH_BIT_WIDTH
 
 // EMIT_MIR repeat.main.ConstProp.diff
 fn main() {
+    // CHECK-LABEL: fn main(
+    // CHECK: debug x => [[x:_.*]];
+    // CHECK: [[x]] = const 42_u32;
     let x: u32 = [42; 8][2] + 0;
 }