gc-8.2.6

[Douglas R. Reno]

New point version

[Xi Ruoyao]

• 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

[Douglas R. Reno]

Fixed at a5e021b9550e6c628a4d04d08aa4c33d907ec6d6