diff --git a/llvm/include/llvm/ObjectYAML/DXContainerYAML.h b/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
--- a/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
+++ b/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
@@ -107,7 +107,7 @@
   uint32_t Version;
 
   dxbc::PSV::v2::RuntimeInfo Info;
-  uint32_t ResourceStride;
+  uint32_t ResourceStride{0};
   SmallVector<ResourceBindInfo> Resources;
   SmallVector<SignatureElement> SigInputElements;
   SmallVector<SignatureElement> SigOutputElements;
diff --git a/llvm/lib/MC/XCOFFObjectWriter.cpp b/llvm/lib/MC/XCOFFObjectWriter.cpp
--- a/llvm/lib/MC/XCOFFObjectWriter.cpp
+++ b/llvm/lib/MC/XCOFFObjectWriter.cpp
@@ -263,7 +263,7 @@
   uint64_t Offset;
 
   CInfoSymInfo(std::string Name, std::string Metadata)
-      : Name(Name), Metadata(Metadata) {}
+      : Name(Name), Metadata(Metadata), Offset(0) {}
   // Metadata needs to be padded out to an even word size.
   uint32_t paddingSize() const {
     return alignTo(Metadata.size(), sizeof(uint32_t)) - Metadata.size();