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https://issues.apache.org/jira/browse/STDCXX-830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589900#action_12589900
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Farid Zaripov commented on STDCXX-830:
--------------------------------------
Merged in 4.2.x branch thus:
http://svn.apache.org/viewvc?view=rev&revision=648752
> [HP aCC 6.15] many remarks 4298 and 4299 from _localedef.h
> ----------------------------------------------------------
>
> Key: STDCXX-830
> URL: https://issues.apache.org/jira/browse/STDCXX-830
> Project: C++ Standard Library
> Issue Type: Sub-task
> Components: Build
> Affects Versions: 4.2.0
> Environment: aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
> Reporter: Martin Sebor
> Assignee: Martin Sebor
> Priority: Trivial
> Fix For: 4.2.1
>
> Original Estimate: 2h
> Time Spent: 2h
> Remaining Estimate: 0h
>
> When compiled with HP aCC 6 with the
> [+w|http://docs.hp.com/en/10946/options.htm#opt+w] option on, the library
> header
> [_localedef.h|http://svn.apache.org/repos/asf/stdcxx/trunk/include/loc/_localedef.h]
> produces a bunch of "64-bit conversion" remarks:
> {noformat}
> aCC -c -mt -I$(TOPDIR)/include -I$(BUILDDIR)/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 +W4296 +W4297 +W3348 +Z
> +Z $(TOPDIR)/src/codecvt.cpp
> "$(TOPDIR)/include/loc/_localedef.h", line 160: remark #4298-D: addition
> result could be truncated before cast to bigger sized type
> return (wtolower_off - wtoupper_off) / sizeof (__rw_upper_elm);
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 164: remark #4298-D: addition
> result could be truncated before cast to bigger sized type
> return (wmask_off - wtolower_off) / sizeof (__rw_lower_elm);
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 168: remark #4298-D: addition
> result could be truncated before cast to bigger sized type
> return charmap_off - codeset_off;
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 172: remark #4298-D: addition
> result could be truncated before cast to bigger sized type
> return wtoupper_off - charmap_off;
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 122: remark #4299-D: multiply
> result could be truncated before cast to bigger sized type
> return *(_RWSTD_ARRAY_ELM (wchar_t, wchar_off, off * 2));
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 128: remark #4298-D: addition
> result could be truncated before cast to bigger sized type
> return *(_RWSTD_ARRAY_ELM (wchar_t, wchar_off, off * 2 + 1));
> ^
> {noformat}
> There are a total of 19 of them in the whole library build:
> {noformat}
> $ cat hpux-11.31-ia64-acc-6.16-12D-642031-log | grep
> "include/loc/_localedef.h\", line 160: remark #429[89]" | wc -l
> 19
> {noformat}
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