Make SectionPiece 8 bytes smaller on LP64.

Description

Make SectionPiece 8 bytes smaller on LP64.

This patch makes SectionPiece class 8 bytes smaller on platforms
on which pointer size is 8 bytes. Sean suggested in a post commit
review for r270340 that this could make a differentce, and it
actually is. Time to link clang (with debug info) improved from
6.725 seconds to 6.589 seconds or by about 2%.

Differential Revision: http://reviews.llvm.org/D20613

Details

Committed
ruiuMay 25 2016, 9:37 AM
Differential Revision
D20613: Make SectionPiece 8 bytes smaller on LP64.
Parents
rL270716: [RuntimeDyld] Call the SymbolResolver::findSymbolInLogicalDylib method when
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