diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/fnmatch_loop.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c index db6d9d7c56..1e27913cf1 100644 --- a/posix/fnmatch_loop.c +++ b/posix/fnmatch_loop.c @@ -343,7 +343,12 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) #ifdef _LIBC else if (c == L('[') && *p == L('=')) { - UCHAR str[1]; + /* It's important that STR be a scalar variable rather + than a one-element array, because GCC (at least 4.9.2 + -O2 on x86-64) can be confused by the array and + diagnose a "used initialized" in a dead branch in the + findidx function. */ + UCHAR str; uint32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES); const CHAR *startp = p; @@ -355,7 +360,7 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) c = L('['); goto normal_bracket; } - str[0] = c; + str = c; c = *++p; if (c != L('=') || p[1] != L(']')) @@ -368,7 +373,7 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) if (nrules == 0) { - if ((UCHAR) *n == str[0]) + if ((UCHAR) *n == str) goto matched; } else @@ -383,7 +388,7 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) # endif const int32_t *indirect; int32_t idx; - const UCHAR *cp = (const UCHAR *) str; + const UCHAR *cp = (const UCHAR *) &str; # if WIDE_CHAR_VERSION table = (const int32_t *) |