SunOS 4.1.4 is working, too.
[p5sagit/p5-mst-13.2.git] / pp_hot.c
index c6a533b..8b31f0b 100644 (file)
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -808,7 +808,7 @@ PP(pp_rv2hv)
            RETURN;
        }
        else if (LVRET) {
-           if (GIMME == G_SCALAR)
+           if (GIMME != G_SCALAR)
                Perl_croak(aTHX_ "Can't return hash to lvalue scalar context");
            SETs((SV*)hv);
            RETURN;
@@ -1234,7 +1234,7 @@ PP(pp_match)
     if (SvSCREAM(TARG))
        r_flags |= REXEC_SCREAM;
 
-    if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
+    if ((pm->op_pmflags & PMf_MULTILINE) != PL_multiline) {
        SAVEINT(PL_multiline);
        PL_multiline = pm->op_pmflags & PMf_MULTILINE;
     }
@@ -1406,7 +1406,7 @@ yup:                                      /* Confirmed by INTUIT */
        rx->startp[0] = s - truebase;
        rx->endp[0] = s - truebase + rx->minlen;
     }
-    rx->nparens = rx->lastparen = 0;   /* used by @- and @+ */
+    rx->nparens = rx->lastparen = rx->lastcloseparen = 0;      /* used by @-, @+, and $^N */
     LEAVE_SCOPE(oldsave);
     RETPUSHYES;
 
@@ -1497,7 +1497,7 @@ Perl_do_readline(pTHX)
            /* undef TARG, and push that undefined value */
            if (type != OP_RCATLINE) {
                SV_CHECK_THINKFIRST_COW_DROP(TARG);
-               SvOK_off(TARG);
+               (void)SvOK_off(TARG);
            }
            PUSHTARG;
        }
@@ -1561,7 +1561,7 @@ Perl_do_readline(pTHX)
            if (gimme == G_SCALAR) {
                if (type != OP_RCATLINE) {
                    SV_CHECK_THINKFIRST_COW_DROP(TARG);
-                   SvOK_off(TARG);
+                   (void)SvOK_off(TARG);
                }
                SPAGAIN;
                PUSHTARG;
@@ -1979,7 +1979,7 @@ PP(pp_subst)
               ? REXEC_COPY_STR : 0;
     if (SvSCREAM(TARG))
        r_flags |= REXEC_SCREAM;
-    if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
+    if ((pm->op_pmflags & PMf_MULTILINE) != PL_multiline) {
        SAVEINT(PL_multiline);
        PL_multiline = pm->op_pmflags & PMf_MULTILINE;
     }
@@ -2328,10 +2328,10 @@ PP(pp_leavesub)
     }
     PUTBACK;
 
-    LEAVE;
     POPSUB(cx,sv);     /* Stack values are safe: release CV and @_ ... */
     PL_curpm = newpm;  /* ... and pop $1 et al */
 
+    LEAVE;
     LEAVESUB(sv);
     return pop_return();
 }
@@ -2384,9 +2384,9 @@ PP(pp_leavesublv)
         * the refcounts so the caller gets a live guy. Cannot set
         * TEMP, so sv_2mortal is out of question. */
        if (!CvLVALUE(cx->blk_sub.cv)) {
-           LEAVE;
            POPSUB(cx,sv);
            PL_curpm = newpm;
+           LEAVE;
            LEAVESUB(sv);
            DIE(aTHX_ "Can't modify non-lvalue subroutine call");
        }
@@ -2395,9 +2395,9 @@ PP(pp_leavesublv)
            EXTEND_MORTAL(1);
            if (MARK == SP) {
                if (SvFLAGS(TOPs) & (SVs_TEMP | SVs_PADTMP | SVf_READONLY)) {
-                   LEAVE;
                    POPSUB(cx,sv);
                    PL_curpm = newpm;
+                   LEAVE;
                    LEAVESUB(sv);
                    DIE(aTHX_ "Can't return %s from lvalue subroutine",
                        SvREADONLY(TOPs) ? (TOPs == &PL_sv_undef) ? "undef"
@@ -2410,9 +2410,9 @@ PP(pp_leavesublv)
                }
            }
            else {                      /* Should not happen? */
-               LEAVE;
                POPSUB(cx,sv);
                PL_curpm = newpm;
+               LEAVE;
                LEAVESUB(sv);
                DIE(aTHX_ "%s returned from lvalue subroutine in scalar context",
                    (MARK > SP ? "Empty array" : "Array"));
@@ -2426,9 +2426,9 @@ PP(pp_leavesublv)
                    && SvFLAGS(*mark) & (SVs_TEMP | SVs_PADTMP | SVf_READONLY)) {
                    /* Might be flattened array after $#array =  */
                    PUTBACK;
-                   LEAVE;
                    POPSUB(cx,sv);
                    PL_curpm = newpm;
+                   LEAVE;
                    LEAVESUB(sv);
                    DIE(aTHX_ "Can't return a %s from lvalue subroutine",
                        SvREADONLY(TOPs) ? "readonly value" : "temporary");
@@ -2480,10 +2480,10 @@ PP(pp_leavesublv)
     }
     PUTBACK;
 
-    LEAVE;
     POPSUB(cx,sv);     /* Stack values are safe: release CV and @_ ... */
     PL_curpm = newpm;  /* ... and pop $1 et al */
 
+    LEAVE;
     LEAVESUB(sv);
     return pop_return();
 }
@@ -2939,7 +2939,7 @@ S_method_common(pTHX_ SV* meth, U32* hashp)
           HE* he;
          he = hv_fetch_ent(PL_stashcache, sv, 0, 0);
           if (he) { 
-            stash = (HV*)SvIV(HeVAL(he));
+            stash = INT2PTR(HV*,SvIV(HeVAL(he)));
             goto fetch;
           }
         }
@@ -2965,7 +2965,7 @@ S_method_common(pTHX_ SV* meth, U32* hashp)
            if (!stash)
                packsv = sv;
             else {
-               SV* ref = newSViv((IV)stash);
+               SV* ref = newSViv(PTR2IV(stash));
                hv_store(PL_stashcache, packname, packlen, ref, 0);
            }
            goto fetch;
@@ -3024,7 +3024,11 @@ S_method_common(pTHX_ SV* meth, U32* hashp)
            /* the method name is unqualified or starts with SUPER:: */ 
            packname = sep ? CopSTASHPV(PL_curcop) :
                stash ? HvNAME(stash) : packname;
-           packlen = strlen(packname);
+           if (!packname)
+               Perl_croak(aTHX_
+                          "Can't use anonymous symbol table for method lookup");
+           else
+               packlen = strlen(packname);
        }
        else {
            /* the method name is qualified */