[MergeICmps] Fix build of rL312315 on clang-with-thin-lto-windows:

MergeICmps.cpp(68,15): error: chosen constructor is explicit in copy-initialization
      return {};
APInt.h(339,12): note: explicit constructor declared here
  explicit APInt() : BitWidth(1) { U.VAL = 0; }
             ^
MergeICmps.cpp(56,9): note: in implicit initialization of field 'Offset' with omitted
initializer
  APInt Offset;
          ^

llvm-svn: 312326

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/Scalar/MergeICmps.cpp b/llvm/lib/Transforms/Scalar/MergeICmps.cpp
index 3bd24eb8601..7bd730014c8 100644
--- a/llvm/lib/Transforms/Scalar/MergeICmps.cpp
+++ b/llvm/lib/Transforms/Scalar/MergeICmps.cpp
@@ -45,14 +45,16 @@ namespace {
 
 // A BCE atom.
 struct BCEAtom {
+  BCEAtom() : GEP(nullptr), LoadI(nullptr), Offset() {}
+
   const Value *Base() const { return GEP ? GEP->getPointerOperand() : nullptr; }
 
   bool operator<(const BCEAtom &O) const {
     return Base() == O.Base() ? Offset.slt(O.Offset) : Base() < O.Base();
   }
 
-  GetElementPtrInst *GEP = nullptr;
-  LoadInst *LoadI = nullptr;
+  GetElementPtrInst *GEP;
+  LoadInst *LoadI;
   APInt Offset;
 };