From 19952369c8b5e849c3ff139fe19892c47382f9bc Mon Sep 17 00:00:00 2001
From: pfg <pfg@FreeBSD.org>
Date: Thu, 1 May 2014 23:34:14 +0000
Subject: [PATCH] regex: Remove some unreachable breaks.

This is based on a much bigger cleanup done in Illumos.

Reference:
https://www.illumos.org/issues/2077

MFC after:	1 week
---
 lib/libc/regex/engine.c  | 7 +------
 lib/libc/regex/regcomp.c | 1 -
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/lib/libc/regex/engine.c b/lib/libc/regex/engine.c
index 2a1a75e0b1d6..589bb9d72698 100644
--- a/lib/libc/regex/engine.c
+++ b/lib/libc/regex/engine.c
@@ -686,19 +686,16 @@ backref(struct match *m,
 		while (m->g->strip[ss] != SOP(O_BACK, i))
 			ss++;
 		return(backref(m, sp+len, stop, ss+1, stopst, lev, rec));
-		break;
 	case OQUEST_:		/* to null or not */
 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);
 		if (dp != NULL)
 			return(dp);	/* not */
 		return(backref(m, sp, stop, ss+OPND(s)+1, stopst, lev, rec));
-		break;
 	case OPLUS_:
 		assert(m->lastpos != NULL);
 		assert(lev+1 <= m->g->nplus);
 		m->lastpos[lev+1] = sp;
 		return(backref(m, sp, stop, ss+1, stopst, lev+1, rec));
-		break;
 	case O_PLUS:
 		if (sp == m->lastpos[lev])	/* last pass matched null */
 			return(backref(m, sp, stop, ss+1, stopst, lev-1, rec));
@@ -709,7 +706,6 @@ backref(struct match *m,
 			return(backref(m, sp, stop, ss+1, stopst, lev-1, rec));
 		else
 			return(dp);
-		break;
 	case OCH_:		/* find the right one, if any */
 		ssub = ss + 1;
 		esub = ss + OPND(s) - 1;
@@ -730,6 +726,7 @@ backref(struct match *m,
 			else
 				assert(OP(m->g->strip[esub]) == O_CH);
 		}
+		/* NOTREACHED */
 		break;
 	case OLPAREN:		/* must undo assignment if rest fails */
 		i = OPND(s);
@@ -741,7 +738,6 @@ backref(struct match *m,
 			return(dp);
 		m->pmatch[i].rm_so = offsave;
 		return(NULL);
-		break;
 	case ORPAREN:		/* must undo assignment if rest fails */
 		i = OPND(s);
 		assert(0 < i && i <= m->g->nsub);
@@ -752,7 +748,6 @@ backref(struct match *m,
 			return(dp);
 		m->pmatch[i].rm_eo = offsave;
 		return(NULL);
-		break;
 	default:		/* uh oh */
 		assert(nope);
 		break;
diff --git a/lib/libc/regex/regcomp.c b/lib/libc/regex/regcomp.c
index f3a41e90fb71..55f9c04c6910 100644
--- a/lib/libc/regex/regcomp.c
+++ b/lib/libc/regex/regcomp.c
@@ -746,7 +746,6 @@ p_b_term(struct parse *p, cset *cs)
 	case '-':
 		SETERROR(REG_ERANGE);
 		return;			/* NOTE RETURN */
-		break;
 	default:
 		c = '\0';
 		break;