I saw some errors from valgrind when it tried to
read the libstdc++ debuginfo.
I tracked this down to this upstream bug:
Which is fixed in valgrind:
r12338 | bart | 2012-01-16 10:11:07 -0700 (Mon, 16 Jan 2012) | 1 line
debug info reader: Add support for DW_TAG_unspecified_type. Closes #278313.
This is simple and maybe worth a backport.
valgrind-3.7.0-4.fc17 has been submitted as an update for Fedora 17.
valgrind-3.7.0-4.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.