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https://issues.apache.org/jira/browse/STDCXX-783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587397#action_12587397
]
Travis Vitek commented on STDCXX-783:
-------------------------------------
I find it interesting that the warning doesn't show up in an 11S build, but it
does show up for a 12d build.
{noformat}
$ gmake 25.random.shuffle.o
aCC -c -D_RWSTDDEBUG -I/amd/devco/vitek/stdcxx/trunk/include
-I/build/vitek/11S/include -I/amd/devco/vitek/stdcxx/trunk/tests/include \
-AA -g +d +DD64 +w \
+W392,655,684,818,819,849 \
+W2193,2236,2261,2340,2401,2487 \
+W4227,4229,4231,4235,4237,4249 \
+W4255,4272,4284,4285,4286,4296,4297 \
+W3348 \
/amd/devco/vitek/stdcxx/trunk/tests/algorithms/25.random.shuffle.cpp
"/amd/devco/vitek/stdcxx/trunk/include/algorithm.cc", line 612: remark #4271-D:
type conversion may lose sign
const _DiffT __rndoff (__rand (__limit));
^
detected during instantiation of "void
std::random_shuffle(_RandomAccessIter, _RandomAccessIter,
_RandomNumberGenerator &) [with
_RandomAccessIter=RandomAccessIter<assign<base<2>>>,
_RandomNumberGenerator=func<const size_t>]" at line 49 of
"/amd/devco/vitek/stdcxx/trunk/tests/algorithms/25.random.shuffle.cpp"
{noformat}
{noformat}
gmake 25.random.shuffle.o
aCC -c -mt -I/amd/devco/vitek/stdcxx/trunk/include -I/build/vitek/12d/include
-I/amd/devco/vitek/stdcxx/trunk/tests/include \
-AA +O2 +w \
+W392,655,684,818,819,849 \
+W2193,2236,2261,2340,2401,2487 \
+W4227,4229,4231,4235,4237,4249 \
+W4255,4272,4284,4285,4286,4296,4297 \
+W3348 \
/amd/devco/vitek/stdcxx/trunk/tests/algorithms/25.random.shuffle.cpp
"/amd/devco/vitek/stdcxx/trunk/include/algorithm.cc", line 612: remark #4271-D:
type conversion may lose sign
const _DiffT __rndoff (__rand (__limit));
^
detected during instantiation of "void
std::random_shuffle(_RandomAccessIter, _RandomAccessIter,
_RandomNumberGenerator &) [with
_RandomAccessIter=RandomAccessIter<assign<base<2>>>,
_RandomNumberGenerator=func<const size_t>]" at line 49 of
"/amd/devco/vitek/stdcxx/trunk/tests/algorithms/25.random.shuffle.cpp"
"/amd/devco/vitek/stdcxx/trunk/tests/algorithms/25.random.shuffle.cpp", line
317, procedure test_random_shuffle: warning #20206-D:
Out of bound access (In expression "&array[(int)i]", array "array"
[/amd/devco/vitek/stdcxx/trunk/tests/algorithms/25.random.shuffle.cpp
:237] (type: int [256]) has element range [0 .. 255], reading
element range [0 .. 256].)
{noformat}
> [HP aCC 6.16] warning #20206-D: Out of bound access in 25.random.shuffle.cpp
> ----------------------------------------------------------------------------
>
> Key: STDCXX-783
> URL: https://issues.apache.org/jira/browse/STDCXX-783
> Project: C++ Standard Library
> Issue Type: Sub-task
> Components: Tests
> 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
> Remaining Estimate: 2h
>
> aCC -c -mt -I/amd/devco/scottz/stdcxx/4.2.x/include
> -I/build/scottz/12d/include -I/amd/devco/scottz/stdcxx/4.2.x/tests/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/tests/algorithms/25.random.shuffle.cpp
> "/amd/devco/scottz/stdcxx/4.2.x/tests/algorithms/25.random.shuffle.cpp", line
> 317, procedure test_random_shuffle: warning #20206-D: Out of bound access (In
> expression "&array[(long long)i]", array "array"
> [/amd/devco/scottz/stdcxx/4.2.x/tests/algorithms/25.random.shuffle.cpp:237]
> (type: int [256]) has element range [0 .. 255], reading element range [0 ..
> 256].)
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