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[PATCH, c++0x] Use decltype in libstdc++'s parallel/base.h


I got weird errors using the parallel libstdc++ algo's in c++0x mode.

lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/algobase.h:46,
                 from
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/algorithm:42,
                 from benchmark.cpp:5:
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:290:
error: expected identifier before â*â token
/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:290:
error: expected â,â or â...â before âstatic_castâ
/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:291:
error: expected â;â before âresultâ
/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:294:
error: expected â;â before âoperatorâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:296:
error: expected â;â before â}â token
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:302:
error: expected identifier before â*â token
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:302:
error: expected â,â or â...â before âstatic_castâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:303:
error: expected â;â before âresultâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:306:
error: expected â;â before âoperatorâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:308:
error: expected â;â before â}â token
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:315:
error: expected identifier before â*â token
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:315:
error: expected â,â or â...â before âstatic_castâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:316:
error: expected â;â before âresultâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:319:
error: expected â;â before âoperatorâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:321:
error: expected â;â before â}â token
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:327:
error: expected identifier before â*â token
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:327:
error: expected â,â or â...â before âstatic_castâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:328:
error: expected â;â before âresultâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:331:
error: expected â;â before âoperatorâ
lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../include/c++/4.4.0/parallel/base.h:333:
error: expected â;â before â}â token

Attached is a patch that uses decltype instead of typeof in c++0x mode.

Not sure if this is the right solution. If so, I can write up some
test cases etc..

Chris

Attachment: parallel_algo_cpp0x.patch
Description: Binary data


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