[google] Merged gcc-4_6-branch into google/gcc-4_6

This brings google/gcc-4_6 up to rev 175849. Diego.

[google] Merged gcc-4_6-branch into google/gcc-4_6

This brings google/gcc-4_6 up to rev 175007. Validated on x86_64. Diego.

[google] Merged gcc-4_6-branch into google/gcc-4_6

This merge merges from gcc-4_6-branch as of rev 174114. Validated on x86_64. Diego.

[google] Merged gcc-4_6-branch into google/gcc-4_6

This merge brings every change in gcc-4_6-branch up to rev 173632. Validated on x86_64. Diego.

[google] Merged gcc-4_6-branch into google/gcc-4_6

This merge brings the branch up to rev 172633. Tested on x86_64. Diego.

[google] Merged gcc-4_6-branch into google/gcc-4_6

I committed revisions 172504 and 172505 to google/gcc-4_6 Rev 172504 merges all the changes from gcc-4_6-branch since the 4.6.0 release. Rev 172505 is the following release-only fix from Le-Chun that fixes annotalysis conflicts with new constexpr changes in the parser: 2011-04-15  Le-Chun Wu