From: Nikita Popov <npopov@redhat.com>
Date: Mon, 16 Jan 2023 14:19:22 +0000 (+0100)
Subject: [Support] Fix incorrect assertion in backref compilation
X-Git-Tag: upstream/17.0.6~20798
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9f1521b6da09a336c11c400506ea3200bf585210;p=platform%2Fupstream%2Fllvm.git

[Support] Fix incorrect assertion in backref compilation

These should be == rather than !=.
---

diff --git a/llvm/lib/Support/regcomp.c b/llvm/lib/Support/regcomp.c
index 24d0112..9d48419 100644
--- a/llvm/lib/Support/regcomp.c
+++ b/llvm/lib/Support/regcomp.c
@@ -525,8 +525,8 @@ p_ere_exp(struct parse *p)
 			assert(backrefnum <= p->g->nsub);
 			EMIT(OBACK_, backrefnum);
 			assert(p->pbegin[backrefnum] != 0);
-			assert(OP(p->strip[p->pbegin[backrefnum]]) != OLPAREN);
-			assert(OP(p->strip[p->pend[backrefnum]]) != ORPAREN);
+			assert(OP(p->strip[p->pbegin[backrefnum]]) == OLPAREN);
+			assert(OP(p->strip[p->pend[backrefnum]]) == ORPAREN);
 			(void) dupl(p, p->pbegin[backrefnum]+1, p->pend[backrefnum]);
 			EMIT(O_BACK, backrefnum);
 			p->g->backrefs = 1;