Instead of unsafe pointer dereferencing, use memcpy() to read encoded
values from memory.  The function `read_encoded_value' has been updated
to accept a ref parameter, this simplifies handling of the pointer to
memory needing to be read.

libphobos/ChangeLog:

	PR d/98584
	* libdruntime/gcc/deh.d (scanLSDA): Update calls to read_uleb128 and
	read_encoded_value.
	(actionTableLookup): Update calls to read_sleb128 and
	read_encoded_value_with_base.
	* libdruntime/gcc/unwind/pe.d (read_uleb128): Update signature.
	(read_sleb128): Update signature.
	(read_unaligned): New function.
	(read_encoded_value_with_base): Update signature.  Call read_unaligned
	instead of unsafe pointer dereferencing.
	(read_encoded_value): Update signature.

Phobos changes:

 - Synchronize C bindings with the latest port fixes in upstream
   druntime.

 - Add Config.stderrPassThrough to std.process (PR98494).

Reviewed-on: https://github.com/dlang/druntime/pull/3448
	     https://github.com/dlang/phobos/pull/7984

libphobos/ChangeLog:

	PR d/98494
	* libdruntime/MERGE: Merge upstream druntime 89f870b7.
	* src/MERGE: Merge upstream phobos e6907ff3e.

libphobos/ChangeLog:

	PR d/98058
	* configure: Regenerate.
	* libdruntime/Makefile.am (DRUNTIME_DSOURCES_DARWIN): Add
	core/sys/darwin/config.d
	* libdruntime/Makefile.in: Regenerate.
	* libdruntime/config/powerpc/switchcontext.S: Implement
	fiber_switchContext for __MACH__.
	* libdruntime/config/x86/switchcontext.S: Likewise.
	* libdruntime/core/sys/darwin/config.d: New file.
	* libdruntime/core/thread/fiber.d (Fiber.getThis): Mark noinline.
	(UnsafeFiberMigration): Define for OSX/X86 and OSX/X86_64.
	* libdruntime/core/thread/osthread.d (callWithStackShell): Add inline
	assembler implementation for X86, X86_64, PPC, and PPC64.
	* libdruntime/core/thread/threadbase.d (ThreadBase.getThis): Mark
	noinline.
	* libdruntime/gcc/deh.d (FuncTable): Remove definition.
	* m4/druntime/os.m4 (DRUNTIME_OS_MINFO_BRACKETING): Check for right
	bracket symbol on darwin* targets.
	* testsuite/libphobos.thread/fiber_guard_page.d: Update test to
	support ucontext-based Fibers.

libphobos/ChangeLog:

	PR d/99794
	* libdruntime/Makefile.am (DRUNTIME_SOURCES_CONFIGURED): Add
	config/mingw/msvc.c on DRUNTIME_OS_MINGW.
	* libdruntime/Makefile.in: Regenerate.
	* libdruntime/config/mingw/msvc.c: New file.
	* libdruntime/config/mingw/switchcontext.S (fiber_switchContext): Fix
	function definition.
	* libdruntime/gcc/deh.d (__gdc_personality_seh0): Fix call to
	_GCC_specific_handler.
	* libdruntime/gcc/gthread.d (__gthread_once_t): Fix definition.
	* libdruntime/gcc/unwind/generic.d (_GCC_specific_handler): Fix
	declaration.
	* libdruntime/rt/dmain2.d (rt_loadLibrary): Remove function.
	(rt_loadLibraryW): Remove function.
	(initLibrary): Remove function.
	(rt_unloadLibrary): Remove function.

libphobos/ChangeLog:

	PR d/99691
	* configure: Regenerate.
	* libdruntime/config/common/threadasm.S: Add __OpenBSD__.
	* libdruntime/gcc/backtrace.d: Import core.sys.openbsd.dlfcn on
	OpenBSD platforms.
	* libdruntime/gcc/sections/elf.d (SharedElf): Define on OpenBSD.
	(linkMapForHandle): Implement for OpenBSD.
	(exeLinkMap): Remove.
	(getDependencies): Adjust dlpi_addr on OpenBSD.
	(handleForName): Implement for OpenBSD.
	(IterateManually): Define on OpenBSD.
	* libdruntime/gcc/sections/package.d (SectionsElf): Define on OpenBSD.
	* m4/druntime/libraries.m4 (DRUNTIME_LIBRARIES_ATOMIC): Test for
	enable_libatomic.
	(DRUNTIME_LIBRARIES_BACKTRACE): Test for enable_libbacktrace.

Tests for `-ffunction-sections -fdata-sections' and sets SECTION_FLAGS
accordingly.  If there is no warning when using it, take advantage of
the smaller executables that can be had with `--gc-sections'.

libphobos/ChangeLog:

	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Call DRUNTIME_SECTION_FLAGS.
	* libdruntime/Makefile.am: Add SECTION_FLAGS to AM_DFLAGS.
	* libdruntime/Makefile.in: Regenerate.
	* m4/druntime.m4 (DRUNTIME_SECTION_FLAGS): New macro.
	* src/Makefile.am: Add SECTION_FLAGS to AM_DFLAGS.
	* src/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

This replaces the original and untested support for Windows and OSX, and
is the 90% of the work needed to support libphobos on those targets.

The core.thread interface has been updated to accomodate for the same
function might be implemented by any of the platform-dependent modules.

libphobos/ChangeLog:

	* libdruntime/Makefile.am (DRUNTIME_DSOURCES): Removed
	gcc/sections/android.d, elf_shared.d, osx.d, win32.d, and win64.d.
	Added gcc/sections/common.d, elf.d macho.d, and pecoff.d.
	* libdruntime/Makefile.in: Regenerate.
	* libdruntime/core/thread/osthread.d: Update externDFunc FQDN names to
	use platform independant section function names.
	* libdruntime/gcc/sections/elf_shared.d: Renamed to...
	* libdruntime/gcc/sections/elf.d: ...this.  Mangle functions for
	core.thread interface as if they come from the gcc.sections module.
	* libdruntime/gcc/sections/package.d: Update public imports, declare
	functions for core.thread interface.
	* libdruntime/gcc/sections/android.d: Removed.
	* libdruntime/gcc/sections/osx.d: Removed.
	* libdruntime/gcc/sections/win32.d: Removed.
	* libdruntime/gcc/sections/win64.d: Removed.
	* libdruntime/gcc/sections/common.d: New file.
	* libdruntime/gcc/sections/macho.d: New file.
	* libdruntime/gcc/sections/pecoff.d: New file.

Linking to libphobos statically is the default in the driver, however
this may change in future.  Be explicit that the static libphobos is
what's being tested.

libphobos/ChangeLog:

	* testsuite/libphobos.druntime/druntime.exp: Compile all tests with
	-static-libphobos.
	* testsuite/libphobos.phobos/phobos.exp: Likewise.