glibc can be compiled by gcc 4.0 again!

[Andreas Jaeger]

I just compiled glibc on Linux/AMD64 with current GCC (12 hours old -
it failed with a 36 hours old one) and have been successfull for the
first time since several weeks!

Glibc has been compiled with both nptl and linuxthreads add-ons and I
could run the testsuite with just a few failures.

Failures with linuxthreads add-on are:
- rt/tst-timer4 [timeout, could be unrelated]
- precision in the math tests [nothing serious, one or two ULPs for 3
  testcases]

Failures with nptl add-on are:

- nptl/tst-cancelx{4,5,10,11,12,13,14,15,16,17,18,20,21} and
  nptl/tst-cleanupx{0,1,3,4} nptl/tst-oncex{3,4} [not investigated,
  all stop with "Didn't expect signal from child: got `Aborted'"]
- precision in the math tests [nothing serious, one or two ULPs for 3
  testcases]

Great work!
Andreas

P.S. Note that you need current CVS for both glibc and GCC for this.
For glibc, you need some fixes for "static inline" to fix compile
failures, for GCC you need the GCC I tested, older ones were broken.
-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
  SUSE Linux AG, Maxfeldstr. 5, 90409 Nürnberg, Germany
   GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126
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