Revert "Remove unused label in mir"

kylestach · kylestach · commit 5586cd80e244 · 2018-05-18T16:57:16.000-07:00
This reverts commit b2a2450cf2925498e1c3bdd781aa1978f9eb00e5.
diff --git a/src/librustc_mir/interpret/eval_context.rs b/src/librustc_mir/interpret/eval_context.rs
@@ -1705,7 +1705,7 @@ impl<'a, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> EvalContext<'a, 'mir, 'tcx, M
             let mut trace_text = "\n\nAn error occurred in miri:\n".to_string();
             backtrace.resolve();
             write!(trace_text, "backtrace frames: {}\n", backtrace.frames().len()).unwrap();
-            for (i, frame) in backtrace.frames().iter().enumerate() {
+            'frames: for (i, frame) in backtrace.frames().iter().enumerate() {
                 if frame.symbols().is_empty() {
                     write!(trace_text, "{}: no symbols\n", i).unwrap();
                 }

Original file line number	Diff line number	Diff line change
`@@ -1705,7 +1705,7 @@ impl<'a, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> EvalContext<'a, 'mir, 'tcx, M`
`1705`	`1705`	`let mut trace_text = "\n\nAn error occurred in miri:\n".to_string();`
`1706`	`1706`	`backtrace.resolve();`
`1707`	`1707`	`write!(trace_text, "backtrace frames: {}\n", backtrace.frames().len()).unwrap();`
`1708`		`- for (i, frame) in backtrace.frames().iter().enumerate() {`
	`1708`	`+ 'frames: for (i, frame) in backtrace.frames().iter().enumerate() {`
`1709`	`1709`	`if frame.symbols().is_empty() {`
`1710`	`1710`	`write!(trace_text, "{}: no symbols\n", i).unwrap();`
`1711`	`1711`	`}`