Index: ELF/Arch/PPC64.cpp
===================================================================
--- ELF/Arch/PPC64.cpp
+++ ELF/Arch/PPC64.cpp
@@ -850,7 +850,8 @@
   int32_t StackFrameSize = (HiImm * 65536) + LoImm;
   // Check that the adjusted size doesn't overflow what we can represent with 2
   // instructions.
-  if (StackFrameSize < -2147483648 + Config->SplitStackAdjustSize) {
+  int32_t MinValue = -2147483648;
+  if (StackFrameSize < MinValue + Config->SplitStackAdjustSize) {
     error(getErrorLocation(Loc) + "split-stack prologue adjustment overflows");
     return false;
   }