fix: I meant LLVM version 13, not 12

Author: durin42

compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp

@@ -23,7 +23,7 @@ extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer(
     const char* const Filenames[],
     size_t FilenamesLen,
     RustStringRef BufferOut) {
-#if LLVM_VERSION_GE(12,0)
+#if LLVM_VERSION_GE(13,0)
   SmallVector<std::string,32> FilenameRefs;
   for (size_t i = 0; i < FilenamesLen; i++) {
     FilenameRefs.push_back(std::string(Filenames[i]));

compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp

@@ -1437,7 +1437,7 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules,
     Ret->ResolvedODR[ModuleIdentifier][GUID] = NewLinkage;
   };
 
-#if LLVM_VERSION_GE(12,0)
+#if LLVM_VERSION_GE(13,0)
   lto::Config conf;
   thinLTOResolvePrevailingInIndex(conf, Ret->Index, isPrevailing, recordNewLinkage,
                                   Ret->GUIDPreservedSymbols);

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -382,7 +382,7 @@ LLVMRustBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Target,
                            LLVMValueRef Old, LLVMValueRef Source,
                            LLVMAtomicOrdering Order,
                            LLVMAtomicOrdering FailureOrder, LLVMBool Weak) {
-#if LLVM_VERSION_GE(12,0)
+#if LLVM_VERSION_GE(13,0)
   AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg(
       unwrap(Target), unwrap(Old), unwrap(Source), llvm::MaybeAlign(), fromRust(Order),
       fromRust(FailureOrder));