LibGC: Enable EXPLICIT_SYMBOL_EXPORT

Author: https://github.com/ayeteadoe
Commit: 83846b3861
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5215
Reviewed-by: https://github.com/ADKaster ✅

Libraries/LibJS/CMakeLists.txt

@@ -281,9 +281,6 @@ endif()
 if (WIN32)
     # FIXME: Windows on ARM
     target_link_libraries(LibJS PRIVATE clang_rt.builtins-x86_64.lib)
-    # FIXME: This is a hack to get around lld-link error undefined symbol GC::HeapBlockBase::block_size
-    #        LibGC HeapBlock.obj is given directly to LibJS linker
-    target_link_libraries(LibJS PRIVATE $<FILTER:$<TARGET_OBJECTS:LibGC>,INCLUDE,HeapBlock>)
 else()
     # This flag has no effect on Windows
     target_compile_options(LibJS PRIVATE -fno-omit-frame-pointer)