http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45841
Summary: [4.6 Regression]: r164529 cris-elf libstdc++ 27_io/basic_filebuf/seekoff/char/2-io.cc Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: h...@gcc.gnu.org CC: pot...@mac.com Host: x86_64-unknown-linux-gnu Target: cris-axis-elf With revision r164528 this test passed. >From revision r164529 and on, this test has failed as follows: Running /tmp/r164529/gcc/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp ... ... (non-regressions elided) FAIL: 27_io/basic_filebuf/seekoff/char/2-io.cc execution test With the message in the logfile being: assertion "c1 == c3" failed: file "/tmp/hpautotest-gcc1/gcc/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/char/2-io.cc", line 97, function: void test05()^M program stopped with signal 6.^M FAIL: 27_io/basic_filebuf/seekoff/char/2-io.cc execution test Author of patch in suspect revision range CC:ed. I can check a simulator trace if a code inspection doesn't ring you any bells.