Early exit from loop

bboreham · bboreham · commit a91f55da1417 · 2022-08-25T17:30:02.000Z
diff --git a/src/regexp/onepass.go b/src/regexp/onepass.go
@@ -476,6 +476,7 @@ func compileOnePass(prog *syntax.Prog) (p *onePassProg) {
 	for _, inst := range prog.Inst {
 		if inst.Op == syntax.InstAlt || inst.Op == syntax.InstAltMatch {
 			hasAlt = true
+			break
 		}
 	}
 	// If we have alternates, every instruction leading to InstMatch must be EmptyEndText.

Original file line number	Diff line number	Diff line change
`@@ -476,6 +476,7 @@ func compileOnePass(prog syntax.Prog) (p onePassProg) {`
`476`	`476`	`for _, inst := range prog.Inst {`
`477`	`477`	`if inst.Op == syntax.InstAlt \|\| inst.Op == syntax.InstAltMatch {`
`478`	`478`	`hasAlt = true`
	`479`	`+ break`
`479`	`480`	`}`
`480`	`481`	`}`
`481`	`482`	`// If we have alternates, every instruction leading to InstMatch must be EmptyEndText.`