gc-8.2.8

[Bruce Dubbs]

New point version.

[Bruce Dubbs]

[8.2.8] 2024-09-08

• 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

[Bruce Dubbs]

Fixed at commits

8edd56445e Update to python3-3.12.6.
639c6ce7f3 Update to gc-8.2.8.