Exit early from Perl_fbm_compile() if the SV is already "compiled".

[perl5.git] / util.c

diff --git a/util.c b/util.c
index 74d7bb8..165e61a 100644 (file)
--- a/util.c
+++ b/util.c
@@ -559,6 +559,9 @@ Perl_fbm_compile(pTHX_ SV *sv, U32 flags)
     if (SvSCREAM(sv))
        return;
 
+    if (SvVALID(sv))
+       return;
+
     if (flags & FBMcf_TAIL) {
        MAGIC * const mg = SvUTF8(sv) && SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : NULL;
        sv_catpvs(sv, "\n");            /* Taken into account in fbm_instr() */