bdwgc: upgrade 8.2.4 -> 8.2.6

Changelog:
============
* Avoid unexpected heap growth in gctest for the case of VERY_SMALL_CONFIG
* Change gc.man to include gc/gc.h
* Check for out-of-memory on every memory allocation in tests
* Do not compile pthread_start.c on Cygwin even if build shared libs (CMake)
* Eliminate 'alloc_small declared but unused' gcc warning in gctest
* Eliminate 'make_key is defined but unused' gcc warning in threadkeytest
* Eliminate 'old_segv_handler is defined but unused' gcc warning on OpenBSD
* Eliminate 'rand() may return deterministic values' warning
* Eliminate 'unused parameter' compiler warnings reported by MS clang
* Eliminate 'unused parameter' gcc warning in free() if IGNORE_FREE
* Eliminate 'unused value' gcc warnings in init_global_static_roots (Symbian)
* Eliminate GCC warning of unsafe __builtin_return_address(1) in Cmake script
* Eliminate compiler warning of missing cast in LONG_MULT after shift
* Eliminate warning of unused expression result in GC_FreeBSDGetDataStart
* Ensure _GNU_SOURCE is defined if HAVE_DLADDR is defined by configure
* Fix 'g++ not found' error on OpenBSD (Makefile.direct)
* Fix 'implicit declaration of function pthread_atfork' gcc error on MinGW
* Fix 'implicit declaration of function sbrk' gcc error on Symbian
* Fix 'implicit declaration of iscntrl()' warning in cord/de_win (MinGW)
* Fix 'info' buffer potential overrun in GC_save_callers
* Fix 'l-value specifies const object' MSVC error in GC_push_many_regs
* Fix 'linker input unused' error inside check_c_compiler_flag (CMake)
* Fix 'missing binary operator before token' gcc error in gcconfig.h
* Fix 'missing sysconf() prototype' gcc error in setjmp_t tool (OpenBSD)
* Fix 'sigset_t undeclared' MS VC error if pthreads-w32 is used
* Fix 'undefined reference' linker errors if shared build on OpenBSD (CMake)
* Fix 'unused GC_set_and_save_fault_handler' warning on OS X
* Fix GC_push_stack_for() to push also Xmm registers on Windows/x64
* Fix GC_set_handle_fork(1) on Darwin when MPROTECT_VDB but no threads
* Fix MACH_TYPE macro redefinition on Symbian/arm
* Fix SVR4 macro definition order
* Fix asm constraint in LONG_MULT for gcc/x86
* Fix assertion violation in GC_get_maps on Linux if malloc redirection
* Fix back graph and checksums support in WCC_MAKEFILE
* Fix bitwise negation and rounding direction in setjmp_t tool
* Fix checksums GC_record_fault invocation on Darwin
* Fix closing bracket placement for case statement in configure
* Fix deprecation warning about support of CMake older than v3.5
* Fix extra 'extern C' for include signal.h in gcconfig.h
* Fix getcontext() detection by CMake on OpenBSD
* Fix handling of GC_gc_no counter wrap in GC_clear_stack
* Fix handling of GC_gc_no counter wrap in GC_notify_or_invoke_finalizers
* Fix indent of a closing curly brace in GC_forward_exception
* Fix lock assertion violation in GC_try_to_collect_inner on OS X
* Fix missing GC_pthread_sigmask on FreeBSD and NetBSD
* Fix missing _setjmp() on djgpp
* Fix missing atomic barriers in CORD_from_file_lazy
* Fix missing outermost parentheses in CORD_pos_cur_char_addr and hugetest
* Fix missing redirect and implementation of pthread_sigmask() on OpenBSD
* Fix missing type widening before left shift in GC_MAKE_PROC
* Fix misspelled GC_HEADERS_H macro in gc_priv.h
* Fix null dereference in check_finalizer_nested if redirect malloc on Linux
* Fix posix_memalign() to overwrite pointer storage only on success
* Fix race in init_lib_bounds on Linux with glibc v2.34+ if redirect malloc
* Fix skipped removal of page protection in case of address hash collision
* Fix typos in comments
* Fix undefined GC_real_pthread_sigmask if redirect malloc on OS X
* Fix update of last_back_trace_gc_no if KEEP_BACK_PTRS is not defined
* Handle GC_gc_no counter overflow properly in GC_print_trace
* Include Darwin CoreFoundation.h only if 32-bit ARM
* Make gc_allocator<void> members public
* Re-enable incremental mode on OS X (arm64)
* Remove .log and cordtest .tmp files by 'make clean' (Makefile.direct)
* Remove a redundant check of HOST_ANDROID in gcconfig.h
* Remove duplication of random numbers generator formula
* Specify constexpr in GC allocators if C++20 or later
* Support NetBSD/riscv64
* Support non-msys MinGW build by CMake
* Turn on handle fork by default on Darwin (multi-threaded only)
* Use AO primitives in GC_RAND_NEXT instead of no_sanitize attribute
* Workaround 'malloc inconsistent dll linkage' MS VC error in CMake script
* Workaround MS Clang failure to compile de_win.rc
* Workaround mark stack overflow in GC_push_finalizer_structures on MinGW

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

0 files changed, 0 insertions, 0 deletions