Upgrade LLVM to support ARM split stacks and unwinding #5612
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This patch is supposed to be added. Please check my llvm2 branch |
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Conflicts: src/rt/arch/arm/morestack.S
Without this the target info for certain optimizations will not be created and the compiler will sometimes crash
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This branch fixes #5368 and #4489 and supersedes #5327. Since it's so difficult to complete LLVM upgrades and this isn't going to have much time to bake before 0.6 I want to hold off on merging it.