bdwgc: upgrade 8.2.6 -> 8.2.8

Chaneglog:
=========
* Allow GC_size() argument to be null
* Disable backtrace saving at garbage collections if DONT_SAVE_TO_LAST_STACK
* Eliminate 'cast signed to bigger unsigned' CSA warnings in GC_find_limit
* Eliminate 'x might be clobbered by longjmp' gcc warning in setjmp_t.c
* Fix 'un-mprotect vdb failed' abort with out-of-memory reason on Linux
* Fix ADD_CALL_CHAIN() placement to follow GC_store_debug_info_inner call
* Fix GC_debug_realloc to support custom kind
* Fix GC_is_visible for case of arg pointing exactly to object upper bound
* Fix GC_print_trace_inner to print the last element of the circular buffer
* Fix cordtst2.tmp file deletion in cordtest on Windows
* Fix double lock in GC_malloc called from backtrace()
* Fix handling of page-unaligned boundaries in soft_set_grungy_pages
* Fix heap blocks size computation by GC_get_memory_use
* Fix indent of a closing curly braces in GC_apply_to_all_blocks
* Fix infinite resend lost signals if a thread is restarted by SIGQUIT
* Fix null pointer dereference in GC_is_visible if type_descr is null
* Fix per_object_helper() after changing hb_sz units
* Fix pointer relational comparison in GC_do_enumerate_reachable_objects
* Fix poor thread-local allocation performance because of double EXTRA_BYTES
* Fix potential GC_add_roots_inner call with an overflowed pointer (Win32)
* Fix potential address overflow in GC_add_to_heap
* Fix potential buffer overrun during read in GC_text_mapping
* Fix various typos in comments
* Prevent GC_noop_sink from scanning by the collector
* Prevent redirected malloc call from a garbage collection routine
* Redirect malloc_usable_size() in leak_detector.h
* Remove redundant dirty/reachable_here calls in GC_malloc_explicitly_typed
* Update and fix diagrams describing the tree structure for pointer lookups
* Use atomic store to set GC_first_nonempty in GC_do_parallel_mark
* Use atomic store to set entry id and update cache_ptr in slow_getspecific
* Workaround '.obj file not found' error reported by watcom wlib

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/bdwgc/bdwgc_8.2.8.bb

@@ -23,7 +23,7 @@ LIC_FILES_CHKSUM = "file://README.QUICK;md5=dd27361ad00943bb27bc3e0589037075"
 
 DEPENDS = "libatomic-ops"
 
-SRCREV = "e340b2e869e02718de9c9d7fa440ef4b35785388"
+SRCREV = "ee59af3722e56de8404de6cd0c21c2493cc4d855"
 SRC_URI = "git://github.com/ivmai/bdwgc.git;branch=release-8_2;protocol=https"
 
 S = "${WORKDIR}/git"