[HP aCC 6.16] many +wperfadvice warninsg for std::endl in examples
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Key: STDCXX-1007
URL: https://issues.apache.org/jira/browse/STDCXX-1007
Project: C++ Standard Library
Issue Type: Bug
Components: Examples
Affects Versions: 4.2.1
Environment: aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
Reporter: Martin Sebor
Assignee: Martin Sebor
Priority: Trivial
Fix For: 4.2.2
Compiling examples with HP aCC 6.16 with the
[+wperfadvice|http://docs.hp.com/en/10946/options.htm#opt+wperfadvice] option
on produces many warnings like the one below:
{noformat}
aCC -c -mt -I/amd/devco/sebor/stdcxx-4.2.x/include \
-I/build/sebor/stdcxx-4.2.x-aCC-6.16-12d/include \
-I/amd/devco/sebor/stdcxx-4.2.x/examples/include \
-AA +wperfadvice +W20302 +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/sebor/stdcxx-4.2.x/examples/manual/accumulate.cpp
"/amd/devco/sebor/stdcxx-4.2.x/examples/manual/accumulate.cpp", line 60:
warning #4320-D:
performance advice: std::endl is expensive because it flushes the
stream. If you do not want to flush the stream replace 'std::endl'
with '\n' or define macro _HP_NONSTD_FAST_IOSTREAM
<< "\nThe product = N! = " << prod << std::endl;
^
aCC accumulate.o -o accumulate -AA +nostl -Wl,+s -mt
-L/build/sebor/stdcxx-4.2.x-aCC-6.16-12d/lib
-Wl,+b/build/sebor/stdcxx-4.2.x-aCC-6.16-12d/lib -lstd12d -lm
{noformat}
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