All the testsuite failures (except libgomp.c++/ctor-9.C) with Sun as/ld http://gcc.gnu.org/ml/gcc-testresults/2006-11/msg00764.html are of the form:
ld: fatal: relocation error: R_SPARC_TLS_LE_HIX22: file /var/tmp//ccuoqyTO.o: symbol <unknown>: bad symbol type SECT: symbol type must be TLS It's a Sun ld problem (GNU ld silently groks the same object file), which can be reproduced with the Sun toolchain: hikaru% cc -V cc: Sun C 5.8 Patch 121015-03 2006/10/18 usage: cc [ options] files. Use 'cc -flags' for details hikaru% cat t.c static __thread int i = 1; int main(void) { return i; } hikaru% cc -S t.c -O hikaru% cc -o t t.s ld: fatal: relocation error: R_SPARC_TLS_IE_HI22: file t.o: symbol <unknown>: bad symbol type SECT: symbol type must be TLS hikaru% cc -o t t.c -O hikaru% -- Summary: testsuite failures Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgomp AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ebotcazou at gcc dot gnu dot org GCC build triplet: sparc-sun-solaris2.10 GCC host triplet: sparc-sun-solaris2.10 GCC target triplet: sparc-sun-solaris2.10 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29986