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https://issues.apache.org/jira/browse/STDCXX-751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12585203#action_12585203
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Martin Sebor commented on STDCXX-751:
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I've been waiting to collect enough data to get a feel for what percentage of
each of these cadvise warnings is useful vs what percentage is bogus before
deciding how to deal with it. I can think of three options to silence the
warnings (in the order of decreasing preference):
# change the code
# add a pair of [{{#pragma
diag_suppress}}|http://docs.hp.com/en/10946/pragmas.htm#pragma-diag_xxx] 20200
and {{#pragma diag_default 20200}} around the code
# silence all the warnings in this class via the
[+W20200|http://docs.hp.com/en/10946/options.htm#opt+Wargs] option
# suppress all cadvise (and other) warnings by removing the
[+w|http://docs.hp.com/en/10946/options.htm#opt+w] option from the command line
Do you feel like we have enough data to make the decision?
> [HP aCC 6.16] Potential null pointer dereference in locale_stub.cpp
> -------------------------------------------------------------------
>
> Key: STDCXX-751
> URL: https://issues.apache.org/jira/browse/STDCXX-751
> Project: C++ Standard Library
> Issue Type: Sub-task
> Components: 20. General Utilities
> Affects Versions: 4.2.0
> Environment: $ uname -sr && aCC -V
> HP-UX B.11.31
> aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
> Reporter: Scott (Yu) Zhong
> Assignee: Travis Vitek
> Fix For: 4.2.1
>
> Original Estimate: 2h
> Time Spent: 2h
> Remaining Estimate: 0h
>
> aCC -c -mt -I/amd/devco/scottz/stdcxx/4.2.x/include
> -I/build/scottz/12d/include -AA +O2 +DD64 +w +W392 +W655 +W684 +W818 +W819
> +W849 +W2193
> +W2236 +W2261 +W2340 +W2401 +W2487 +W4227 +W4229 +W4231 +W4235 +W4237 +W4249
> +W4255 +W4272 +W4284 +W4285 +W4286 /amd/devco/scottz/stdcxx/4.2.x/u
> til/locale_stub.cpp
> "/amd/devco/scottz/stdcxx/4.2.x/util/locale_stub.cpp", line 62, procedure
> main: warning #20200-D: Potential null pointer dereference through return of
> call to strrchr is detected (null
> definition:/amd/packages/mdx/hpux/ia64/aCC/6_16/opt/aCC/include_std/cstring,
> line 59)
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