re PR bootstrap/43170 (gcc 4.5 20100218 bootstrap compare fails on os x 10.6)

re PR bootstrap/43170 (gcc 4.5 20100218 bootstrap compare fails on os x 10.6)

config:
	PR bootstrap/43170
	* tls.m4 (GCC_CHECK_TLS): Add volatile qualifier to the test
	references.  Move the main () test reference ahead of
	pthread_create().  Add a comment to explain the requirements
	of the test.
libgomp:
	PR bootstrap/43170
	* configure: Regenerate.
libjava:
	PR bootstrap/43170
	* configure: Regenerate.
libmudflap:
	PR bootstrap/43170
	* configure: Regenerate.
libstdc++-v3:
	PR bootstrap/43170
	* configure: Regenerate.

From-SVN: r160457