[PATCH v4 05/19] grep: remove redundant `regflags &= ~REG_EXTENDED` assignments

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Remove redundant assignments to the "regflags" variable. There are no
code paths that have previously set the regflags to anything, and
certainly not to `|= REG_EXTENDED`.

This code gave the impression that it had to reset its environment,
but it doesn't. This dates back to the initial introduction of
git-grep in commit 5010cb5fcc ("built-in "git grep"", 2006-04-30).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 grep.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/grep.c b/grep.c
index 59ae7809f2..6995f0989a 100644
--- a/grep.c
+++ b/grep.c
@@ -179,7 +179,6 @@ static void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, st
 	case GREP_PATTERN_TYPE_BRE:
 		opt->fixed = 0;
 		opt->pcre = 0;
-		opt->regflags &= ~REG_EXTENDED;
 		break;
 
 	case GREP_PATTERN_TYPE_ERE:
@@ -191,7 +190,6 @@ static void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, st
 	case GREP_PATTERN_TYPE_FIXED:
 		opt->fixed = 1;
 		opt->pcre = 0;
-		opt->regflags &= ~REG_EXTENDED;
 		break;
 
 	case GREP_PATTERN_TYPE_PCRE:
@@ -417,7 +415,6 @@ static void compile_fixed_regexp(struct grep_pat *p, struct grep_opt *opt)
 	int regflags;
 
 	basic_regex_quote_buf(&sb, p->pattern);
-	regflags = opt->regflags & ~REG_EXTENDED;
 	if (opt->ignore_case)
 		regflags |= REG_ICASE;
 	err = regcomp(&p->regexp, sb.buf, regflags);
-- 
2.11.0




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