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[perl #121335] valgrind errors in pp_seq dealing with semaphores

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From:
Karl Williamson
Date:
February 27, 2014 04:40
Subject:
[perl #121335] valgrind errors in pp_seq dealing with semaphores
Message ID:
rt-4.0.18-13144-1393475796-756.121335-75-0@perl.org
# New Ticket Created by  Karl Williamson 
# Please include the string:  [perl #121335]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=121335 >


These errors showed up

t/io/sem ......................................................
==13598== Conditional jump or move depends on uninitialised value(s)
==13598==    at 0x5CE913: S_uiv_2buf (sv.c:2751)
==13598==    by 0x5D0180: Perl_sv_2pv_flags (sv.c:2934)
==13598==    by 0x5FACC3: Perl_sv_eq_flags (sv.c:7511)
==13598==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==13598==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==13598==    by 0x45BE7C: S_run_body (perl.c:2445)
==13598==    by 0x45B29E: perl_run (perl.c:2361)
==13598==    by 0x41AAC4: main (perlmain.c:112)
==13598==
==13598== Conditional jump or move depends on uninitialised value(s)
==13598==    at 0x5CE9A3: S_uiv_2buf (sv.c:2758)
==13598==    by 0x5D0180: Perl_sv_2pv_flags (sv.c:2934)
==13598==    by 0x5FACC3: Perl_sv_eq_flags (sv.c:7511)
==13598==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==13598==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==13598==    by 0x45BE7C: S_run_body (perl.c:2445)
==13598==    by 0x45B29E: perl_run (perl.c:2361)
==13598==    by 0x41AAC4: main (perlmain.c:112)
==13598==
==13598== Conditional jump or move depends on uninitialised value(s)
==13598==    at 0x4C2A647: bcmp (mc_replace_strmem.c:934)
==13598==    by 0x5FB2BB: Perl_sv_eq_flags (sv.c:7556)
==13598==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==13598==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==13598==    by 0x45BE7C: S_run_body (perl.c:2445)
==13598==    by 0x45B29E: perl_run (perl.c:2361)
==13598==    by 0x41AAC4: main (perlmain.c:112)
==13598==
==13598== Conditional jump or move depends on uninitialised value(s)
==13598==    at 0x4C2A669: bcmp (mc_replace_strmem.c:934)
==13598==    by 0x5FB2BB: Perl_sv_eq_flags (sv.c:7556)
==13598==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==13598==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==13598==    by 0x45BE7C: S_run_body (perl.c:2445)
==13598==    by 0x45B29E: perl_run (perl.c:2361)
==13598==    by 0x41AAC4: main (perlmain.c:112)
==13598==
==13598== Conditional jump or move depends on uninitialised value(s)
==13598==    at 0x5FB2BE: Perl_sv_eq_flags (sv.c:7556)
==13598==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==13598==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==13598==    by 0x45BE7C: S_run_body (perl.c:2445)
==13598==    by 0x45B29E: perl_run (perl.c:2361)
==13598==    by 0x41AAC4: main (perlmain.c:112)
==13598==

And in cpan/IPC-SysV/t/sem ...........................................
==17091== Conditional jump or move depends on uninitialised value(s)
==17091==    at 0x5CE913: S_uiv_2buf (sv.c:2751)
==17091==    by 0x5D0180: Perl_sv_2pv_flags (sv.c:2934)
==17091==    by 0x6C6668: Perl_do_join (doop.c:693)
==17091==    by 0x5AC3F7: Perl_pp_join (pp_hot.c:741)
==17091==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==17091==    by 0x45BE7C: S_run_body (perl.c:2445)
==17091==    by 0x45B29E: perl_run (perl.c:2361)
==17091==    by 0x41AAC4: main (perlmain.c:112)
==17091==
==17091== Conditional jump or move depends on uninitialised value(s)
==17091==    at 0x5CE9A3: S_uiv_2buf (sv.c:2758)
==17091==    by 0x5D0180: Perl_sv_2pv_flags (sv.c:2934)
==17091==    by 0x6C6668: Perl_do_join (doop.c:693)
==17091==    by 0x5AC3F7: Perl_pp_join (pp_hot.c:741)
==17091==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==17091==    by 0x45BE7C: S_run_body (perl.c:2445)
==17091==    by 0x45B29E: perl_run (perl.c:2361)
==17091==    by 0x41AAC4: main (perlmain.c:112)
==17091==
==17091== Conditional jump or move depends on uninitialised value(s)
==17091==    at 0x4C2A647: bcmp (mc_replace_strmem.c:934)
==17091==    by 0x5FB2BB: Perl_sv_eq_flags (sv.c:7556)
==17091==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==17091==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==17091==    by 0x45BE7C: S_run_body (perl.c:2445)
==17091==    by 0x45B29E: perl_run (perl.c:2361)
==17091==    by 0x41AAC4: main (perlmain.c:112)
==17091==
==17091== Conditional jump or move depends on uninitialised value(s)
==17091==    at 0x4C2A669: bcmp (mc_replace_strmem.c:934)
==17091==    by 0x5FB2BB: Perl_sv_eq_flags (sv.c:7556)
==17091==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==17091==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==17091==    by 0x45BE7C: S_run_body (perl.c:2445)
==17091==    by 0x45B29E: perl_run (perl.c:2361)
==17091==    by 0x41AAC4: main (perlmain.c:112)
==17091==
==17091== Conditional jump or move depends on uninitialised value(s)
==17091==    at 0x5FB2BE: Perl_sv_eq_flags (sv.c:7556)
==17091==    by 0x638C0F: Perl_pp_seq (pp.c:2146)
==17091==    by 0x552D01: Perl_runops_debug (dump.c:2372)
==17091==    by 0x45BE7C: S_run_body (perl.c:2445)
==17091==    by 0x45B29E: perl_run (perl.c:2361)
==17091==    by 0x41AAC4: main (perlmain.c:112)
==17091==
 -- 
Karl Williamson
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