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Subject: [Bug target/49541] [4.6/4.7 regression] TLS support partially broken in 64-bit mode
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49541

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-07-13 16:11:25 UTC ---
> Since I could only run the bootstrap on a Solaris 8 branded zone where the
> default libthread.so is a copy of the lwp one, could you try it on bare metal
> to confirm that it works?

Works essentially OK by me.  The only remaining glitches are:

                === libgomp Summary for unix/ ===

# of expected passes            2572
# of unsupported tests          10

Running target unix//-m64
FAIL: libgomp.fortran/condinc2.f  -O  (test for excess errors)
WARNING: libgomp.fortran/condinc2.f  -O  compilation failed to produce
executabl
e
FAIL: libgomp.fortran/condinc4.f90  -O  (test for excess errors)
WARNING: libgomp.fortran/condinc4.f90  -O  compilation failed to produce
executa
ble
FAIL: libgomp.fortran/omp_cond2.f  -O  (test for excess errors)
WARNING: libgomp.fortran/omp_cond2.f  -O  compilation failed to produce
executab
le
FAIL: libgomp.fortran/omp_cond4.F90  -O  (test for excess errors)
WARNING: libgomp.fortran/omp_cond4.F90  -O  compilation failed to produce
execut
able

output is:
Undefined                       first referenced
 symbol                             in file
__tls_get_addr                     
/nile.build/botcazou/gcc-head/sparc-sun-solaris2.8/sparc-sun-solaris2.8/sparcv9/libgomp/.libs/libgomp.so
ld: fatal: Symbol referencing errors. No output written to ./condinc2.exe
collect2: error: ld returned 1 exit status

FAIL: libgomp.fortran/condinc2.f  -O  (test for excess errors


but this is more of a test harness issue: the 4 tests are compiled with the
combination -fno-openmp -lgomp so -pthread isn't added by the driver.