Fix #! (shebang) stripping account space issue rust-lang#70528

Ayush Kumar Mishra · Ayush Kumar Mishra · commit 031586426094 · 2020-04-21T11:44:00.000+05:30
diff --git a/src/librustc_lexer/src/lib.rs b/src/librustc_lexer/src/lib.rs
@@ -236,7 +236,7 @@ pub enum Base {
 /// (e.g. "#![deny(missing_docs)]").
 pub fn strip_shebang(input: &str) -> Option<usize> {
     debug_assert!(!input.is_empty());
-    if !input.starts_with("#!") || input.starts_with("#![") {
+    if !input.starts_with("#!") || input.starts_with("#![") || input.starts_with("#! [") {
         return None;
     }
     Some(input.find('\n').unwrap_or(input.len()))

Original file line number	Diff line number	Diff line change
`@@ -236,7 +236,7 @@ pub enum Base {`
`236`	`236`	`/// (e.g. "#![deny(missing_docs)]").`
`237`	`237`	`pub fn strip_shebang(input: &str) -> Option<usize> {`
`238`	`238`	`debug_assert!(!input.is_empty());`
`239`		`- if !input.starts_with("#!") \|\| input.starts_with("#![") {`
	`239`	`+ if !input.starts_with("#!") \|\| input.starts_with("#![") \|\| input.starts_with("#! [") {`
`240`	`240`	`return None;`
`241`	`241`	`}`
`242`	`242`	`Some(input.find('\n').unwrap_or(input.len()))`