[llvm][JITLink][LoongArch] Fix bit extraction on 32 bit platforms This shifted `1UL` to make the mask. On 32 bit Linux UL is 32 bit, so if Hi+1 was >= 32 then you'd get the wrong result here. The other version of this uses 1ULL, but using the uint64_t typename here saves someone going to check what ULL means on different platforms. This fixes test failures seen on Linaro's 32 bit bots: https://lab.llvm.org/buildbot/#/builders/39/builds/3700 https://lab.llvm.org/buildbot/#/builders/122/builds/781 Though I cannot say exactly why this fixes them. Does not seem like the new code was triggering this problem, but somehow it must be.
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