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5.10.0 regressions that need fixing

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Dave Mitchell
December 29, 2008 14:12
5.10.0 regressions that need fixing
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While ploughing through the backlog on my p5p mailbox (I've currently
worked my way up to 2nd Oct), I've been making a list of bug reports etc
that seem to indicate a regression between 5.8.8 and 5.10.0, and which
don't appear fixed yet in bleed and maint-5.10.x.

If anyone has some time spare to fix bugs, these would probably be good
ones to concentrate on. I'll email out a second list once I've processed

Subject: [perl #50250] perl5.10.0: pos function is much slower with
        "progressive match" and unicode

    5.10 and bleed very slow on unicode pos()

Date: Mon, 07 Apr 2008 08:45:12 -0700
Subject: [perl #52552] pack "A*" and pack "a*" untaint data in 5.10.0

    both bleed and maint still have a taint bug not present in 5.8.8

Subject: [perl #54956] crash on binary-or lvalue operation on qr//

    -e 'my $re = qr/x/; $re |= "y"'
    assert failure under 5.10.0, 10-maint, bleed, but not 5.8.8

Date: Sun, 29 Jun 2008 00:38:27 -0700
Subject: [perl #56444] Perl 5.10 breaks \N{} in regex interpolated inside regex
        (with charnames)

    regression since 5.8.x

Date: Fri, 22 Aug 2008 15:28:30 -0700
Subject: [perl #58280] Speed lost on /^(foo|bar|baz)$/ match

    ((?: open | close | read ) is about 10x slower in 5.10 and bleed
    compared with 5.8.8

Date: Sat, 30 Aug 2008 09:58:42 -0700
Subject: [perl #58468] crash on exit with fork done in do FILE on Win32

    5.10.0 regression following a null PL_curcop under windows.
    I can't reproduce it.

Date: Tue, 02 Sep 2008 12:33:34 -0700
Subject: [perl #58530] Bus error with constant + overload + stash manipulation
        + bless

    Appears to be a 5.8.8 regression. fails on maint + bleed

Date: Fri, 05 Sep 2008 13:01:34 -0700
Subject: [perl #58614] foreach @foo ( @bar ) causes segfault with

    coredump on bleed, maint. regression since 5.8.8

    possible 64-bit alignment issue?

Subject: [perl #59498] Segfault on weird but plain Perl in eval on 5.10.0 on

    crashes on 5.10.0 win32; okay on 5.8.8 or 5.10.0 unix
    bug still new

Date: Thu, 02 Oct 2008 03:10:46 -0700
Subject: [perl #59550] readline returns EBADF at eof in 5.10.0

    appears to be a regression since 5.8.8

Now is the discount of our winter tent
    -- sign seen outside camping shop

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