3 files changed, 1 insertions, 4 deletions
diff --git a/lib/libc/regex/engine.c b/lib/libc/regex/engine.c
index 6d982f8..8b54837 100644
--- a/lib/libc/regex/engine.c
+++ b/lib/libc/regex/engine.c
@@ -686,6 +686,7 @@ sopno lev;			/* PLUS nesting level */
 	/* "can't happen" */
 	assert(nope);
 	/* NOTREACHED */
+	return "shut up gcc";
 }
 
 /*
diff --git a/lib/libc/regex/regcomp.c b/lib/libc/regex/regcomp.c
index feb24ec..74c8d19 100644
--- a/lib/libc/regex/regcomp.c
+++ b/lib/libc/regex/regcomp.c
@@ -673,7 +673,6 @@ static void
 p_bracket(p)
 register struct parse *p;
 {
-	register char c;
 	register cset *cs = allocset(p);
 	register int invert = 0;
 
@@ -889,7 +888,6 @@ int endc;			/* name ended by endc,']' */
 	register char *sp = p->next;
 	register struct cname *cp;
 	register int len;
-	register char c;
 
 	while (MORE() && !SEETWO(endc, ']'))
 		NEXT();
diff --git a/lib/libc/regex/regerror.c b/lib/libc/regex/regerror.c
index 2d2160a..212f709 100644
--- a/lib/libc/regex/regerror.c
+++ b/lib/libc/regex/regerror.c
@@ -166,8 +166,6 @@ const regex_t *preg;
 char *localbuf;
 {
 	register struct rerr *r;
-	register size_t siz;
-	register char *p;
 
 	for (r = rerrs; r->code != 0; r++)
 		if (strcmp(r->name, preg->re_endp) == 0)