[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
Fix For: 4.2.1
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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