master
8311239: GC: Remove trailing blank lines in source files
8323610: G1: HeapRegion pin count should be size_t to avoid overflows
8321013: Parallel: Refactor ObjectStartArray
8322957: Generational ZGC: Relocation selection must join the STS
8320969: Shenandoah: Enforce stable number of GC workers
8317809: Insertion of free code blobs into code cache can be very slow during class unloading