Make make_ext.pl set PERL_CORE=1 in the environment.

[p5sagit/p5-mst-13.2.git] / regcomp.c

diff --git a/regcomp.c b/regcomp.c
index 7e80041..696796b 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -3727,11 +3727,22 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_state, regnode **scanp,
                     data->whilem_c = data_fake.whilem_c;
                 }
                 if (f & SCF_DO_STCLASS_AND) {
-                    const int was = (data->start_class->flags & ANYOF_EOS);
-
-                    cl_and(data->start_class, &intrnl);
-                    if (was)
-                        data->start_class->flags |= ANYOF_EOS;
+                   if (flags & SCF_DO_STCLASS_OR) {
+                       /* OR before, AND after: ideally we would recurse with
+                        * data_fake to get the AND applied by study of the
+                        * remainder of the pattern, and then derecurse;
+                        * *** HACK *** for now just treat as "no information".
+                        * See [perl #56690].
+                        */
+                       cl_init(pRExC_state, data->start_class);
+                   }  else {
+                       /* AND before and after: combine and continue */
+                       const int was = (data->start_class->flags & ANYOF_EOS);
+
+                       cl_and(data->start_class, &intrnl);
+                       if (was)
+                           data->start_class->flags |= ANYOF_EOS;
+                   }
                 }
            }
 #if PERL_ENABLE_POSITIVE_ASSERTION_STUDY
@@ -9403,7 +9414,6 @@ Perl_pregfree2(pTHX_ REGEXP *rx)
     if (r->saved_copy)
         SvREFCNT_dec(r->saved_copy);
 #endif
-    Safefree(r->swap);
     Safefree(r->offs);
 }
 
@@ -9441,7 +9451,8 @@ Perl_reg_temp_copy (pTHX_ REGEXP *rx)
        a case of zero-ing that, rather than copying the current length.  */
     SvPV_set(ret_x, RX_WRAPPED(rx));
     SvFLAGS(ret_x) |= SvFLAGS(rx) & (SVf_POK|SVp_POK|SVf_UTF8);
-    StructCopy(&(r->xpv_cur), &(ret->xpv_cur), struct regexp_allocated);
+    memcpy(&(ret->xpv_cur), &(r->xpv_cur),
+          sizeof(regexp) - STRUCT_OFFSET(regexp, xpv_cur));
     SvLEN_set(ret_x, 0);
     Newx(ret->offs, npar, regexp_paren_pair);
     Copy(r->offs, ret->offs, npar, regexp_paren_pair);
@@ -9462,7 +9473,6 @@ Perl_reg_temp_copy (pTHX_ REGEXP *rx)
     ret->saved_copy = NULL;
 #endif
     ret->mother_re = rx;
-    ret->swap = NULL;
     
     return ret_x;
 }