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A comment on Xcode 4 ships a buggy compiler.

Re:Xcode 4 ships a buggy compiler by Xuzz on Friday December 30, 2011 @09:11PM (#3409883)
The Clang build shipped (called "LLVM Compiler" in Xcode) is also buggy: it has issues with some floating point operations on armv6 (edit: I think; it might only be THUMB, or THUMB and armv6) builds (for the iPhone). There isn't a non-LLVM GCC build for the iPhone anymore, however, so you'll probably have to choose between this bug and the floating point one when building for iPhone.
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Re:Xcode 4 ships a buggy compiler by zyb09 on Friday December 30, 2011 @10:09PM (#3409989)
it helps to turn thumbs off if you encounter that problem on armv6 builds
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