Merge pull request #25969 from drodriguez/fix-driver-options-test-windows

[windows] Use unprefixed library name for immediate mode.

Author: compnerd

lib/Immediate/Immediate.cpp

@@ -78,7 +78,11 @@ static void *loadRuntimeLib(StringRef sharedLibName,
 
 void *swift::immediate::loadSwiftRuntime(ArrayRef<std::string>
                                          runtimeLibPaths) {
+#if defined(_WIN32)
+  return loadRuntimeLib("swiftCore" LTDL_SHLIB_EXT, runtimeLibPaths);
+#else
   return loadRuntimeLib("libswiftCore" LTDL_SHLIB_EXT, runtimeLibPaths);
+#endif
 }
 
 static bool tryLoadLibrary(LinkLibrary linkLib,