don't pass the new params if llvm doesn't have the patch that makes it work

Author: jyn514

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -822,6 +822,7 @@ static DISubprogram::DISPFlags fromRust(LLVMRustDISPFlags SPFlags) {
   return Result;
 }
 
+#ifdef LLVM_RUSTLLVM
 // These values **must** match debuginfo::ShortBacktrace! They also *happen*
 // to match LLVM, but that isn't required as we do giant sets of
 // matching below. The value shouldn't be directly passed to LLVM.
@@ -846,6 +847,7 @@ static std::optional<ShortBacktraceAttr> shortBacktraceFromRust(LLVMRustShortBac
       report_fatal_error("bad ShortBacktraceAttr.");
   }
 }
+#endif
 
 enum class LLVMRustDebugEmissionKind {
   NoDebug,
@@ -1041,18 +1043,22 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction(
     size_t NameLen, const char *LinkageName, size_t LinkageNameLen,
     LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
     unsigned ScopeLine, LLVMRustDIFlags Flags, LLVMRustDISPFlags SPFlags,
-    LLVMRustShortBacktrace shortBacktrace, LLVMValueRef MaybeFn, LLVMMetadataRef TParam,
-    LLVMMetadataRef Decl) {
+#ifdef LLVM_RUSTLLVM
+    LLVMRustShortBacktrace shortBacktrace,
+#endif
+    LLVMValueRef MaybeFn, LLVMMetadataRef TParam, LLVMMetadataRef Decl) {
   DITemplateParameterArray TParams =
       DITemplateParameterArray(unwrap<MDTuple>(TParam));
   DISubprogram::DISPFlags llvmSPFlags = fromRust(SPFlags);
   DINode::DIFlags llvmFlags = fromRust(Flags);
   DISubprogram *Sub = Builder->createFunction(
       unwrapDI<DIScope>(Scope), StringRef(Name, NameLen),
       StringRef(LinkageName, LinkageNameLen), unwrapDI<DIFile>(File), LineNo,
-      unwrapDI<DISubroutineType>(Ty), ScopeLine, llvmFlags,
-      llvmSPFlags, shortBacktraceFromRust(shortBacktrace), TParams,
-      unwrapDIPtr<DISubprogram>(Decl));
+      unwrapDI<DISubroutineType>(Ty), ScopeLine, llvmFlags, llvmSPFlags,
+#ifdef LLVM_RUSTLLVM
+      shortBacktraceFromRust(shortBacktrace),
+#endif
+      TParams, unwrapDIPtr<DISubprogram>(Decl));
   if (MaybeFn)
     unwrap<Function>(MaybeFn)->setSubprogram(Sub);
   return wrap(Sub);
@@ -1062,7 +1068,10 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMethod(
     LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
     size_t NameLen, const char *LinkageName, size_t LinkageNameLen,
     LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
-    LLVMRustDIFlags Flags, LLVMRustDISPFlags SPFlags, LLVMRustShortBacktrace shortBacktrace,
+    LLVMRustDIFlags Flags, LLVMRustDISPFlags SPFlags,
+#ifdef LLVM_RUSTLLVM
+    LLVMRustShortBacktrace shortBacktrace,
+#endif
     LLVMMetadataRef TParam) {
   DITemplateParameterArray TParams =
       DITemplateParameterArray(unwrap<MDTuple>(TParam));
@@ -1073,7 +1082,11 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMethod(
       StringRef(LinkageName, LinkageNameLen), unwrapDI<DIFile>(File), LineNo,
       unwrapDI<DISubroutineType>(Ty), 0, 0,
       nullptr, // VTable params aren't used
-      llvmFlags, llvmSPFlags, shortBacktraceFromRust(shortBacktrace), TParams);
+      llvmFlags, llvmSPFlags,
+#ifdef LLVM_RUSTLLVM
+      shortBacktraceFromRust(shortBacktrace),
+#endif
+      TParams);
   return wrap(Sub);
 }