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2014-12-30T19:19:43.691682Z
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V 652
When building the gcc ports using a full bootstrap, tell the configure
script to assume the BUILD_CONFIG is set to bootstrap-debug, instead of
letting it auto-detect.

With clang 3.5.0 this auto-detection can fail, due to a discrepancy [1]
[2] in its debug information, when objects are produced with and without
-g.  When the auto-detection fails, gcc will compare objects with full
debug information during the stage comparisons, and this sometimes
causes those stage comparisons to fail unexpectedly.

[1] http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141222/250134.html
[2] http://llvm.org/PR22046

Approved by:	gerald (maintainer)

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