Strip a single leading tab when rendering dataflow diffs

ecstatic-morse · ecstatic-morse · commit c910e038e844 · 2020-09-15T18:32:12.000-07:00
diff --git a/compiler/rustc_mir/src/dataflow/framework/graphviz.rs b/compiler/rustc_mir/src/dataflow/framework/graphviz.rs
@@ -578,7 +578,7 @@ where
         return String::new();
     }
 
-    let re = Regex::new("\u{001f}([+-])").unwrap();
+    let re = Regex::new("\t?\u{001f}([+-])").unwrap();
 
     let raw_diff = format!("{:#?}", DebugDiffWithAdapter { new, old, ctxt });
 

Original file line number	Diff line number	Diff line change
`@@ -578,7 +578,7 @@ where`
`578`	`578`	`return String::new();`
`579`	`579`	`}`
`580`	`580`
`581`		`- let re = Regex::new("\u{001f}([+-])").unwrap();`
	`581`	`+ let re = Regex::new("\t?\u{001f}([+-])").unwrap();`
`582`	`582`
`583`	`583`	`let raw_diff = format!("{:#?}", DebugDiffWithAdapter { new, old, ctxt });`
`584`	`584`