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libstdc++/10809: [3.3 regression] mips-sgi-irix6.5 libstdc++-v3 testsuite execution failure in 27_io/istream_unformatted.cc

From: ghazi at caip dot rutgers dot edu
To: gcc-gnats at gcc dot gnu dot org
Cc: mark at codesourcery dot com
Date: 16 May 2003 01:43:33 -0000
Subject: libstdc++/10809: [3.3 regression] mips-sgi-irix6.5 libstdc++-v3 testsuite execution failure in 27_io/istream_unformatted.cc
Reply-to: ghazi at caip dot rutgers dot edu

>Number:         10809
>Category:       libstdc++
>Synopsis:       [3.3 regression] mips-sgi-irix6.5 libstdc++-v3 testsuite execution failure in 27_io/istream_unformatted.cc
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          wrong-code
>Submitter-Id:   net
>Arrival-Date:   Fri May 16 01:46:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Kaveh Ghazi
>Release:        gcc 3.3 (release)
>Organization:
>Environment:
mips-sgi-irix6.5
mips-sgi-irix6.2
>Description:
I noticed that there is a testsuite regression on irix6 in 27_io/istream_unformatted.cc.  See:
irix6.2: http://gcc.gnu.org/ml/gcc-testresults/2003-05/msg00943.html
irix6.5: http://gcc.gnu.org/ml/gcc-testresults/2003-05/msg00942.html

Looking back through the testresult archives, it looks like the regression appeared around two weeks ago in the May 2nd snapshot.
May 1: http://gcc.gnu.org/ml/gcc-testresults/2003-05/msg00066.html
May 2: http://gcc.gnu.org/ml/gcc-testresults/2003-05/msg00125.html

It's an execution failure.  Running the binary I get:

Assertion failed: EX, file /caip/u58/ghazi/gcc-testing/branch/gcc-3.3/libstdc++-v3/testsuite/27_io/istream_unformatted.cc, line 606

Unfortunately I can't make sense of why it does this though.
>How-To-Repeat:
It's an execute failure, compile and run 27_io/istream_unformatted.cc.  In my tree the command line to build it was the following, but it's very path dependent so you'll probably have to run the libstdc++-v3 testsuite on irix6 yourself:

/caip/u58/ghazi/gcc-testing/branch/build/gcc/g++ -shared-libgcc -B/caip/u58/ghazi/gcc-testing/branch/build/gcc/ -nostdinc++ -L/caip/u58/ghazi/gcc-testing/branch/build/mips-sgi-irix6.5/libstdc++-v3/src -L/caip/u58/ghazi/gcc-testing/branch/build/mips-sgi-irix6.5/libstdc++-v3/src/.libs -B/usr/local/mips-sgi-irix6.5/bin/ -B/usr/local/mips-sgi-irix6.5/lib/ -isystem /usr/local/mips-sgi-irix6.5/include -g -ffunction-sections -fdata-sections -fmessage-length=0 -DDEBUG_ASSERT -DLOCALEDIR="/caip/u58/ghazi/gcc-testing/branch/build/mips-sgi-irix6.5/libstdc++-v3/po/share/locale" -nostdinc++ -I/caip/u58/ghazi/gcc-testing/branch/build/mips-sgi-irix6.5/libstdc++-v3/include/mips-sgi-irix6.5 -I/caip/u58/ghazi/gcc-testing/branch/build/mips-sgi-irix6.5/libstdc++-v3/include -I/caip/u58/ghazi/gcc-testing/branch/gcc-3.3/libstdc++-v3/libsupc++ -I/caip/u58/ghazi/gcc-testing/branch/gcc-3.3/libstdc++-v3/libio -I/caip/u58/ghazi/gcc-testing/branch/gcc-3.3/libstdc++-v3/include/backward -I/caip/u58/ghazi/gcc-testing/branch/gcc-3.3/libstdc++-v3/testsuite /caip/u58/ghazi/gcc-testing/branch/gcc-3.3/libstdc++-v3/testsuite/27_io/istream_unformatted.cc -g -O2 -DDEBUG_ASSERT -lv3test -L/caip/u58/ghazi/gcc-testing/branch/build/mips-sgi-irix6.5//libstdc++-v3/testsuite -lm -o ./istream_unformatted.exe
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:

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