[inseparable changes from match from perl-5.003_94 to perl-5.003_95]

 CORE LANGUAGE CHANGES

Subject: Don't compile scalar mods of aggregates, like C<@a =~ s/a/b/>
From: Chip Salzenberg <chip@perl.com>
Files: op.c t/op/misc.t

Subject: Warn about undef magic values just like non-magic
From: Chip Salzenberg <chip@perl.com>
Files: ext/Opcode/Safe.pm sv.c t/lib/db-btree.t t/lib/db-hash.t t/lib/db-recno.t t/pragma/locale.t

 CORE PORTABILITY

Subject: Win32 update (five patches)
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: MANIFEST README.win32 doio.c dosish.h pp_sys.c lib/ExtUtils/Command.pm t/comp/multiline.t t/op/magic.t t/op/mkdir.t t/op/runlevel.t t/op/stat.t t/op/write.t win32/Makefile win32/config.H win32/config.w32 win32/win32.c win32/win32.h win32/win32aux.c win32/*.mak win32/VC-2.0/*.mak

 DOCUMENTATION

Subject: INSTALL-1.8 to INSTALL-1.9 updates
Date: Tue, 25 Mar 1997 13:52:53 -0500 (EST)
From: Andy Dougherty <doughera@fractal.phys.lafayette.edu>
Files: INSTALL
Msg-ID: Pine.SOL.3.95q.970325135138.3374A-100000@fractal.lafayette.e

    (applied based on p5p patch as commit 9b1ae96a0b4301a9588f62b3175bc0312302f4b9)

Subject: Document possible problems with -Mdiagnostics after upgrade
From: Chip Salzenberg <chip@perl.com>
Files: INSTALL

Subject: Mention perldelta in INSTALL
From: Chip Salzenberg <chip@perl.com>
Files: INSTALL

Subject: Describe pod format at top of INSTALL
From: Chip Salzenberg <chip@perl.com>
Files: INSTALL

Subject: Document C</a *b/x> fix
From: Chip Salzenberg <chip@perl.com>
Files: pod/perldelta.pod

Subject: pods for subroutine argument autovivication
Date: Mon, 24 Mar 1997 07:25:21 +0000
From: "M.J.T. Guy" <mjtg@cus.cam.ac.uk>
Files: pod/perldelta.pod pod/perlsub.pod
Msg-ID: E0w9489-0005YT-00@ursa.cus.cam.ac.uk

    (applied based on p5p patch as commit db8878faa51a8a1541a40745a8613adb5db155e4)

Subject: Missing item in perldiag
Date: Sun, 23 Mar 1997 09:24:09 +0000
From: "M.J.T. Guy" <mjtg@cus.cam.ac.uk>
Files: pod/perldiag.pod
Msg-ID: E0w8jVZ-0005va-00@ursa.cus.cam.ac.uk

    (applied based on p5p patch as commit c00a529017138505fcbe538b74c7884abe1d18e1)

Subject: Pod problems & fixes
Date: Mon, 24 Mar 1997 21:31:51 +0100 (MET)
From: Hallvard B Furuseth <h.b.furuseth@usit.uio.no>
Files: INSTALL lib/Term/Complete.pm lib/subs.pm pod/perlcall.pod pod/perldata.pod pod/perldiag.pod pod/perlembed.pod pod/perlguts.pod pod/perlmod.pod pod/perlop.pod pod/perlpod.pod pod/pod2html.PL
Msg-ID: 199703242031.VAA14997@bombur2.uio.no

    (applied based on p5p patch as commit 55a864fe4cea1a0586891b83d359ba71e0972da5)

Subject: FAQ update
From: Nathan Torkington <gnat@prometheus.frii.com>
Files: pod/perlfaq*.pod

 OTHER CORE CHANGES

Subject: Improve 'prototype mismatch' warning
From: Chip Salzenberg <chip@perl.com>
Files: global.sym op.c pod/perldiag.pod proto.h sv.c t/comp/redef.t

1 files changed, 14 insertions, 9 deletions

diff --git a/sv.c b/sv.c
index 855f608b9c..f8b1904802 100644
--- a/sv.c
+++ b/sv.c
@@ -1261,8 +1261,11 @@ register SV *sv;
 	}
 	if (SvPOKp(sv) && SvLEN(sv))
 	    return asIV(sv);
-	if (!SvROK(sv))
+	if (!SvROK(sv)) {
+	    if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+		warn(warn_uninit);
 	    return 0;
+	}
     }
     if (SvTHINKFIRST(sv)) {
 	if (SvROK(sv)) {
@@ -1333,8 +1336,11 @@ register SV *sv;
 	    return U_V(SvNVX(sv));
 	if (SvPOKp(sv) && SvLEN(sv))
 	    return asUV(sv);
-	if (!SvROK(sv))
+	if (!SvROK(sv)) {
+	    if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+		warn(warn_uninit);
 	    return 0;
+	}
     }
     if (SvTHINKFIRST(sv)) {
 	if (SvROK(sv)) {
@@ -1404,6 +1410,8 @@ register SV *sv;
 	if (SvIOKp(sv))
 	    return (double)SvIVX(sv);
         if (!SvROK(sv)) {
+	    if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+		warn(warn_uninit);
             return 0;
         }
     }
@@ -1605,6 +1613,8 @@ STRLEN *lp;
 	    goto tokensave;
 	}
         if (!SvROK(sv)) {
+	    if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+		warn(warn_uninit);
             *lp = 0;
             return "";
         }
@@ -1985,13 +1995,8 @@ register SV *sstr;
 				    warn("Subroutine %s redefined",
 					 GvENAME((GV*)dstr));
 			    }
-			    if (SvPOK(cv) != SvPOK(sref)
-				|| (SvPOK(cv)
-				    && strNE(SvPVX(cv), SvPVX(sref)))) {
-				warn("Prototype mismatch: (%s) vs (%s)",
-				     SvPOK(cv) ? SvPVX(cv) : "none",
-				     SvPOK(sref) ? SvPVX(sref) : "none");
-			    }
+			    cv_ckproto(cv, (GV*)dstr,
+				       SvPOK(sref) ? SvPVX(sref) : Nullch);
 			}
 			GvCV(dstr) = (CV*)sref;
 			GvCVGEN(dstr) = 0; /* Switch off cacheness. */