libphobos: Synchronize libdruntime bindings with upstream druntime

Reviewed-on: https://github.com/dlang/druntime/pull/3348

gcc/d/ChangeLog:

	* typeinfo.cc (TypeInfoVisitor::visit (TypeInfoDeclaration *)): Don't
	layout m_arg1 and m_arg2 fields.

libphobos/ChangeLog:

	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* libdruntime/MERGE: Merge upstream druntime e4aae28e.
	* libdruntime/Makefile.am (DRUNTIME_DSOURCES): Refresh module list.
	(DRUNTIME_DSOURCES_BIONIC): Add core/sys/bionic/err.d.
	(DRUNTIME_DSOURCES_DARWIN): Add core/sys/darwin/err.d,
	core/sys/darwin/ifaddrs.d, core/sys/darwin/mach/nlist.d,
	core/sys/darwin/mach/stab.d, and core/sys/darwin/sys/attr.d.
	(DRUNTIME_DSOURCES_DRAGONFLYBSD): Add core/sys/dragonflybsd/err.d.
	(DRUNTIME_DSOURCES_FREEBSD): Add core/sys/freebsd/err.d.
	(DRUNTIME_DSOURCES_LINUX): Add core/sys/linux/err.d.
	(DRUNTIME_DSOURCES_NETBSD): Add core/sys/netbsd/err.d.
	(DRUNTIME_DSOURCES_OPENBSD): Add core/sys/openbsd/err.d.
	(DRUNTIME_DSOURCES_POSIX): Add core/sys/posix/locale.d,
	core/sys/posix/stdc/time.d, core/sys/posix/string.d, and
	core/sys/posix/strings.d.
	(DRUNTIME_DSOURCES_SOLARIS): Add core/sys/solaris/err.d.
	(DRUNTIME_DSOURCES_WINDOWS): Add core/sys/windows/sdkddkver.d,
	and core/sys/windows/stdc/time.d
	* libdruntime/Makefile.in: Regenerate.
	* libdruntime/gcc/sections/elf_shared.d (sizeofTLS): New function.
	* testsuite/libphobos.thread/fiber_guard_page.d: Use
	__traits(getMember) to get internal fields.

1 files changed, 22 insertions, 6 deletions

diff --git a/libphobos/libdruntime/rt/monitor_.d b/libphobos/libdruntime/rt/monitor_.d
index e38b015..8cb3c3a 100644
--- a/libphobos/libdruntime/rt/monitor_.d
+++ b/libphobos/libdruntime/rt/monitor_.d
@@ -28,15 +28,11 @@ in
 body
 {
     auto m = ensureMonitor(cast(Object) owner);
-    auto i = m.impl;
-    if (i is null)
+    if (m.impl is null)
     {
         atomicOp!("+=")(m.refs, cast(size_t) 1);
-        ownee.__monitor = owner.__monitor;
-        return;
     }
-    // If m.impl is set (ie. if this is a user-created monitor), assume
-    // the monitor is garbage collected and simply copy the reference.
+    // Assume the monitor is garbage collected and simply copy the reference.
     ownee.__monitor = owner.__monitor;
 }
 
@@ -60,6 +56,26 @@ extern (C) void _d_monitordelete(Object h, bool det)
     }
 }
 
+// does not call dispose events, for internal use only
+extern (C) void _d_monitordelete_nogc(Object h) @nogc
+{
+    auto m = getMonitor(h);
+    if (m is null)
+        return;
+
+    if (m.impl)
+    {
+        // let the GC collect the monitor
+        setMonitor(h, null);
+    }
+    else if (!atomicOp!("-=")(m.refs, cast(size_t) 1))
+    {
+        // refcount == 0 means unshared => no synchronization required
+        deleteMonitor(cast(Monitor*) m);
+        setMonitor(h, null);
+    }
+}
+
 extern (C) void _d_monitorenter(Object h)
 in
 {