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ca2a3eb2e7
is an immediate, in this check the value is negated and stored in and int64_t. The value can be -2^63 yet the result cannot be stored in an int64_t and this gives some undefined behaviour causing failures. The negation is only necessary when the values is within a certain range and so it should not need to negate -2^63, this patch introduces this and also a regression test. Differential Revision: http://reviews.llvm.org/D11408 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243100 91177308-0d34-0410-b5e6-96231b3b80d8
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