Log Message:
Updated devel/boehm-gc to 7.6.0
-------------------------------
== [7.6.0] 2016-08-02 ==

* ABORT_ARGn log details at INFO level (Android).
* Add 'pragma message' to gc.h to detect inconsistent WIN64/_WIN64 (MS VC).
* Add API function to calculate total memory in use by all GC blocks.
* Add API function to set/modify GC log file descriptor (Unix).
* Add alloc_size attribute to GC_generic_malloc.
* Add alt-stack registration support.
* Add assertion for GC_new_kind boolean arguments.
* Add assertion on lock status to GC_alloc_large and its callers.
* Add build scripts for VC 9 (Win32/64)
* Add build system plumbing for building with -Werror.
* Add incremental GC support for Darwin/arm64
* Add profiling callback events to indicate start/end of reclaim phase.
* Add support for enumerating the reachable objects in the heap.
* Add toggle-ref support (following Mono GC API).
* Added instructions to README.md for building from git.
* Adjust code indentation of malloc/calloc/str[n]dup.
* Allow fork() automatic handling on Android with API level 21+.
* Allow specific TLS attributes for GC_thread_key.
* Allow thread local allocations from within pthread TLS destructors.
* Allow to force GC_dump_regularly set on at compilation.
* Altera NIOS2 support.
* Change 'cord' no-argument functions declaration style to ANSI C.
* Check DATASTART is less than DATAEND even assertions off.
* Check for execinfo.h by configure.
* Code refactoring of GC_push_finalizer/thread/typed_structures.
* Code refactoring regarding 'data start' definition for FreeBSD.
* Consistently set type of DATASTART/END to ptr_t (code refactoring).
* Consistently use int[] type for '_end' symbol (code refactoring).
* Consistently use outermost parentheses for DATASTART/END, STACKBOTTOM.
* Define GC_LINUX_THREADS, NO_EXECUTE_PERMISSION in configure for NaCl.
* Define ROUNDUP_PAGESIZE, ROUNDUP_GRANULE_SIZE macros (code refactoring).
* Define public GC_GENERIC_OR_SPECIAL_MALLOC and GC_get_kind_and_size.
* Do no declare kernel_id field of GC_Thread_Rep for 64-bit Android.
* Do not allow SHORT_DBG_HDRS if KEEP_BACK_PTRS or MAKE_BACK_GRAPH.
* Do not warn of missing PT_GNU_RELRO segment when custom DSO filter used.
* Document GC_register_my_thread returned value.
* Dump the block information in CSV format.
* Eliminate redundant *flh check for null in GC_allocobj.
* Enable atomic-uncollectable in operator new in gc_cpp.h.
* Enable build with musl libc.
* Enable gc.h inclusion by client without implicit include windows.h (Win32).
* Enable huge_test for Win64 (and LLP64 target).
* Enable thread-local storage for Android Clang.
* Enable thread-local storage usage for GC_malloc/calloc_explicitly_typed.
* Export GC_push_all_eager, GC_push_finalizer_structures.
* Fix 'arg parameter might be clobbered by setjmp' compiler warning.
* Fix assertion in GC_mark_from for non-heap regions.
* Fix compilation for Android clang/arm with bfd linker.
* Fix integer shift undefined behavior in GC_init_explicit_typing.
* Fix missing new-line and redundant trailing dot in WARN messages.
* Fix STACKBOTTOM for Solaris 11/x86.
* Fix tag collision between ENABLE_DISCLAIM and KEEP_BACK_PTRS.
* Fix unchecked fork() result in gctest (Unix, Cygwin).
* Fix user-defined signals drop by marker threads.
* Fix various typos in comments and documentation.
* FreeBSD/arm support improvement.
* GC_make_descriptor code refactoring (eliminate two local variables).
* GC_malloc[_atomic] global and thread-local generalization with kind.
* GC_malloc_[atomic_]uncollectable generalization.
* GC_scratch_alloc code refactoring (and WARN message improvement).
* Group all compact fields of GC_arrays to fit in single page.
* Handle load_segs overflow in register_dynlib_callback gracefully.
* Harmonize OSX/iOS configuration; enable compiling for iPhone simulator.
* Implement event callbacks for profiling (following Mono GC API).
* Implement the finalization extension API.
* Implement thread suspend/resume API (Linux threads only).
* Improve documentation for disappearing links in gc.h.
* Make heap growth more conservative after GC_gcollect_and_unmap call.
* Mark fo_head, finalize_now with a single GC_push_all call (refactoring).
* Move MessageBox invocation code from GC_abort to a separate routine (Win32).
* NaCl/arm initial support; NaCl runtime fixes for other CPUs.
* New macro (GC_ALWAYS_MULTITHREADED) to set multi-threaded mode implicitly.
* New macro (NO_WINMAIN_ENTRY) to prefer main() instead of WinMain in test.
* New macro (REDIRECT_MALLOC_IN_HEADER) to enable source-level redirection.
* Process all PT_LOAD segments before PT_GNU_RELRO segments (Glibc).
* Re-implement GC_finalized_malloc using GC_malloc_kind.
* Refactoring of android_thread_kill/pthread_kill calls.
* Refactoring of GC_Xobjfreelist (use single array to keep free lists).
* Refactoring of thread-local *_freelists (use single array of free lists).
* Refine description in README how to build from source repository.
* Refine GC_free_space_divisor comment regarding its initial value.
* Reformat code of gc_cpp.cc/h.
* Remove 'opp' local variable in GC_malloc_X.
* Remove 'sig' argument of GC_suspend_handler_inner (code refactoring).
* Remove code commented out by 'ifdef UNDEFINED'.
* Remove hb_large_block field (use 1 extra bit of hb_flags instead).
* Remove obsolete BACKING_STORE_ALIGNMENT/DISPLACEMENT macros for Linux/IA64.
* Remove redundant casts in GC_generic_or_special_malloc and similar.
* Remove unsupported FreeBSD/ia64 case from gcconfig.h file.
* Remove unused GC_gcjdebugobjfreelist.
* Rename ATOMIC_UNCOLLECTABLE to GC_ATOMIC_UNCOLLECTABLE.
* Replace non-API occurrences of GC_word to word (code refactoring).
* Return GC_UNIMPLEMENTED instead of abort in GC_get_stack_base (OS/2).
* Show WoW64 warning message if running 32-bit on Win64 (enabled by macro).
* Standalone profiling callback for threads suspend/resume.
* Support (add machine description for) TILE-Gx and TILEPro targets.
* Support build for Android 64-bit (arm64, mips64, x86_64).
* Support FreeBSD/aarch64, FreeBSD/mips.
* Support iOS7 64-bit (AArch64) and iOS8+ 32/64-bit (Darwin).
* Support MinGW build in scripts.
* Turn off sigsetjmp workaround for Android/x86 starting from NDK r8e.
* Use magic header on objects to improve disclaim_test.
* Workaround 'sa_sigaction member missing' compiler error (Android/x32).
* Workaround 'unresolved __tls_get_addr' error for Android NDK Clang.
* Workaround a bug in winpthreads causing parallel marks deadlock (MinGW).