aaron.ballman added inline comments.
================
Comment at: lib/CodeGen/CGBuiltin.cpp:1250
+ if (Info.IsSigned) {
+ unsigned HighBits = Info.StorageSize - Info.Offset - Info.Size;
+ if (HighBits)
----------------
What happens if this overflows due to being < 0?
Repository:
rC Clang
https://reviews.llvm.org/D47953
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