Translate inline assembly errors back to source locations

Fixes #17552.

src/rustllvm/rustllvm.h

@@ -73,6 +73,7 @@ void LLVMRustSetLastError(const char*);
 typedef struct OpaqueRustString *RustStringRef;
 typedef struct LLVMOpaqueTwine *LLVMTwineRef;
 typedef struct LLVMOpaqueDebugLoc *LLVMDebugLocRef;
+typedef struct LLVMOpaqueSMDiagnostic *LLVMSMDiagnosticRef;
 
 extern "C" void
 rust_llvm_string_write_impl(RustStringRef str, const char *ptr, size_t size);