gc-8.0.6

[Bruce Dubbs]

New point version.

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gc-8.2.0 is a pre-release (see ​https://github.com/ivmai/bdwgc/releases/tag/v8.2.0). The latest version is 8.0.6.

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== [8.0.6] 2021-09-28 ==

* Add loop to handle abort error like in suspend logic on Darwin
* Add support of OpenBSD/aarch64
* Add threading libraries to bdw-gc.pc
* Allocate start_info struct on the stack in GC_pthread_create
* Allow GC_PAUSE_TIME_TARGET environment variable values smaller than 5 ms
* Avoid compiler warning about unused d in GC_CALLOC/MALLOC_EXPLICITLY_TYPED
* Avoid gcc stringop-overflow warning for intended overflow in smashtest
* Check _MSVC_LANG macro in addition to __cplusplus (MS VC)
* Compile C++ code with exception handling enabled in NT_MAKEFILE
* Define OS_TYPE and DATAEND for UWP targets
* Disable mprotect-based incremental GC if /proc roots are used (Linux)
* Do not report 'Incremental GC incompatible' warning more than once
* Do not use Manual VDB mode if C malloc is redirected
* Do not use iOS private symbols
* Eliminate 'GC_non_gc_bytes is deprecated' warning in new_gc_alloc.h
* Eliminate 'GC_old_bus_handler defined but not used' compiler warning
* Eliminate 'cast between incompatible func types' warnings for FARPROC vars
* Eliminate 'comparing signed and unsigned values' BCC warning in cordtest
* Eliminate 'gc_pthread_redirects.h should contain header guard' code defect
* Eliminate 'implicit declaration of sbrk' gcc warning if -std=c11 on Cygwin
* Eliminate 'possible loss of data' BCC and MS VC warnings
* Eliminate 'static GC_sysinfo definition has incomplete type' Clang warning
* Eliminate 'unused function' compiler warnings (GC_add_map_entry, GC_lock)
* Eliminate 'while clause does not guard' GCC warning in GC_parse_map_entry
* Enable sbrk-to-mmap fallback on major supported Unix-like platforms
* Ensure process is running on one CPU core if AO ops are emulated with locks
* Explicitly zero-initialize trace_buf (fix trace_buf initialization)
* Fix 'ACCESS_VIOLATION in marker' GC warning on Win32 async thread start
* Fix 'GC_generic_malloc must be available' GCC error in new_gc_alloc.h
* Fix 'ISO C++17 does not allow dynamic exception spec' clang-8 error
* Fix 'Wrong __data_start/_end pair' if -Bsymbolic-functions used (Linux)
* Fix 'condition pred!=NULL is always true' compiler warning
* Fix 'external linkage required for var because of dllimport' error on MinGW
* Fix 'ulong undefined' compilation error on AIX
* Fix 'undefined reference to __data_start' linker error on RISC-V
* Fix 'use of undeclared BUS_PAGE_FAULT' compilation error on FreeBSD 12
* Fix 'write to GC log failed' error (Cygwin)
* Fix 'wrong finalization data' gctest failure on Windows
* Fix CMake build on macOS Catalina
* Fix GC_OPENBSD_THREADS definition (OpenBSD/hppa)
* Fix GC_proc_fd value in child process at fork (Solaris)
* Fix GC_with_callee_saves_pushed for Android NDK r23 (clang-12)
* Fix MPROTECT_VDB definition for single-threaded GC builds
* Fix OS_TYPE and USE_MMAP_ANON definitions for Cygwin/x64
* Fix STACKBOTTOM on 32-bit HP/UX 11.11
* Fix abort in GC_printf when gctest is built as WinMain executable (Cygwin)
* Fix assertion violation in register_dynlib_callback on Android
* Fix build for OS X (CMake)
* Fix building of shared library with C++ support on MinGW
* Fix compiling by Makefile.direct on OpenBSD/UltraSparc
* Fix configure message about 'AIX gcc optimization fix'
* Fix cordtest build in SMakefile.amiga
* Fix data race regarding *rlh value in generic_malloc_many
* Fix first_thread stack_base initialization if custom GC_stackbottom (Win32)
* Fix gc_allocator.h compilation by Clang
* Fix gc_cflags variable name in configure (HP/UX)
* Fix handling of areas smaller than page size in GC_scratch_recycle
* Fix incorrect markup formatting in documentation
* Fix misaligned tlfs passed to AO_load on m68k
* Fix missing GC_quiet declaration in pcr_interface.c
* Fix missing gc_dlopen.c and specific.c in CMake script
* Fix missing scratch_last_end_ptr update (Irix)
* Fix mmap() failures on AIX, HP/UX and Haiku
* Fix overflow of scratch_free_ptr value
* Fix page_was_[ever_]dirty() for static roots (Solaris)
* Fix printf format specifier in simple_example.md
* Fix save_callers for multi-threaded case if built-in backtrace unavailable* Fix subexpression widening in memhash() of disclaim_weakmap_test
* Fix test_cpp failure caused by arbitrary link order (Win32)
* Fix test_cpp failure when gc_cpp resides in a dll (Borland, Watcom)
* Fix various typos mostly in documentation files
* Fix word size, data start and alignment for OpenBSD/mips64(el)
* Include <alloca.h> when using alloca on AIX
* Limit number of unmapped regions (Linux and DragonFly)
* New macro to avoid system-wide new/delete inlining in gc_cpp.h (Win32)
* Prevent GetThreadContext failure (Windows)
* Prevent WARN of incompatible incremental GC if default or manual VDB
* Reduce a time period between GetExitCodeThread and SuspendThread (Win32)
* Refactoring of WoW64 workaround (Win32)
* Refine GC_INIT documentation about its multiple invocation
* Refine GC_parallel documentation in gc.h
* Refine do_blocking() documentation in gc.h
* Remove a misleading comment about Solaris in gc.h
* Remove cord .h files from list of non-installed headers (Automake)
* Remove dead part of condition to define NEED_FIND_LIMIT in gc_priv.h
* Remove gcmt-lib generation by CMake
* Support MSYS builds by CMake and configure
* Update documentation about the incremental collector support
* Use HEURISTIC2 on OpenBSD when single-threaded
* Use pstat_getprocvm to determine main stack bottom on HP-UX
* Workaround 'expression is only useful for its side effects' WCC warning
* Workaround clang-3.8/s390x bug when processing __builtin_frame_address
* Workaround fread fail after enable_incremental if malloc redirected (Linux)

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Fixed at commit 49887e89742615e66caa79aaa4556c58c73df345