Subzero: Fix nondeterministic behavior in constant pool creation.

src/IceELFObjectWriter.cpp

Index: src/IceELFObjectWriter.cpp
diff --git a/src/IceELFObjectWriter.cpp b/src/IceELFObjectWriter.cpp
index 74568565ca60313cb6835bb99fcfd12b67468757..202ab0e208d65bea7abd5ed1ad9bfe8729870411 100644
--- a/src/IceELFObjectWriter.cpp
+++ b/src/IceELFObjectWriter.cpp
@@ -526,7 +526,7 @@ template <typename ConstType> void ELFObjectWriter::writeConstantPool(Type Ty) {
     auto Const = llvm::cast<ConstType>(C);
     std::string SymBuffer;
     llvm::raw_string_ostream SymStrBuf(SymBuffer);
-    Const->emitPoolLabel(SymStrBuf);
+    Const->emitPoolLabel(SymStrBuf, &Ctx);
     std::string &SymName = SymStrBuf.str();
     SymTab->createDefinedSym(SymName, STT_NOTYPE, STB_LOCAL, Section,
                              OffsetInSection, SymbolSize);