From 7fbe8c090a39cd3ad168db8d0878f2df10bcb249 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 9 Jan 2017 20:26:02 -0800 Subject: [PATCH] dfa: omit unnecessary allocation * lib/dfa.c (dfaanalyze): Do not allocate follow set, since an all-zero follow set works just fine. --- ChangeLog | 4 ++++ lib/dfa.c | 2 -- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index f0cd277302..beeefb7f3d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2017-01-09 Paul Eggert + dfa: omit unnecessary allocation + * lib/dfa.c (dfaanalyze): Do not allocate follow set, since + an all-zero follow set works just fine. + dfa: omit unused local * lib/dfa.c (build_state): Fix up recent change. diff --git a/lib/dfa.c b/lib/dfa.c index e8cb6bb4e7..b27bef484c 100644 --- a/lib/dfa.c +++ b/lib/dfa.c @@ -2501,8 +2501,6 @@ dfaanalyze (struct dfa *d, bool searchflag) firstpos->index = lastpos->index = i; firstpos->constraint = lastpos->constraint = NO_CONSTRAINT; - /* Allocate the follow set for this position. */ - alloc_position_set (&d->follows[i], 1); break; } #ifdef DEBUG -- 2.39.5