d: Merge upstream dmd eb7bee331, druntime 27834edb, phobos ac296f80c.

D front-end changes:

    - Import dmd v2.100.0-beta.1.
    - Print deprecation messages for scope violations unless
      `-frevert=dip1000' is used.
    - Fixed a missed case of switch case fallthrough not being caught by
      the compiler.

D runtime changes:

    - Import druntime v2.100.0-beta.1.

Phobos changes:

    - Import phobos v2.100.0-beta.1.

gcc/d/ChangeLog:

	* dmd/MERGE: Merge upstream dmd eb7bee331.
	* dmd/VERSION: Update version to v2.100.0-beta.1.
	* d-lang.cc (d_handle_option): Handle OPT_frevert_dip1000.
	* lang.opt (frevert=dip1000): New option.

libphobos/ChangeLog:

	* libdruntime/MERGE: Merge upstream druntime 27834edb.
	* src/MERGE: Merge upstream phobos ac296f80c.
	* src/Makefile.am (PHOBOS_DSOURCES): Add std/int128.d.
	* src/Makefile.in: Regenerate.

3 files changed, 60 insertions, 0 deletions

diff --git a/gcc/testsuite/gdc.test/compilable/betterCarray.d b/gcc/testsuite/gdc.test/compilable/betterCarray.d
index 3e9a881c3d6..72dcc6b5ee3 100644
--- a/gcc/testsuite/gdc.test/compilable/betterCarray.d
+++ b/gcc/testsuite/gdc.test/compilable/betterCarray.d
@@ -26,3 +26,10 @@ void issue19234()
     A[10] b;
     b[] = a[];
 }
+
+/**********************************************/
+// https://issues.dlang.org/show_bug.cgi?id=22922
+void issue22922()
+{
+    int[] x = [];
+}
diff --git a/gcc/testsuite/gdc.test/compilable/test18216.d b/gcc/testsuite/gdc.test/compilable/test18216.d
new file mode 100644
index 00000000000..43f5629a3c7
--- /dev/null
+++ b/gcc/testsuite/gdc.test/compilable/test18216.d
@@ -0,0 +1,40 @@
+// https://issues.dlang.org/show_bug.cgi?id=18216
+
+struct Node
+{
+    mixin Type!();
+    Pointer left;
+}
+
+mixin template Type()
+{
+    alias Base = typeof(this);
+
+    static struct Proxy
+    {
+        struct Node
+        {
+            Base m_payload;
+        }
+        static immutable default_value = Base.init; // just remove this will work
+    }
+
+    alias pNode = shared(Proxy.Node)*;
+
+    static struct Pointer
+    {
+        Base*   _ptr;
+        auto ptr()
+        {
+            return cast(pNode) _ptr;
+        }
+
+        void opAssign(ref Pointer other) {} // just remove this will work
+
+        alias getThis this; // just remove this will work
+        ref auto getThis() return
+        {
+            return ptr.m_payload;
+        }
+    }
+}
diff --git a/gcc/testsuite/gdc.test/compilable/test22635.d b/gcc/testsuite/gdc.test/compilable/test22635.d
new file mode 100644
index 00000000000..c2abc837956
--- /dev/null
+++ b/gcc/testsuite/gdc.test/compilable/test22635.d
@@ -0,0 +1,13 @@
+// https://issues.dlang.org/show_bug.cgi?id=22635
+// opCast prevent calling destructor for const this
+
+struct Foo
+{
+    bool opCast(T : bool)() const { assert(0); }
+    ~this() {}
+}
+
+struct Bar
+{
+    const Foo foo;
+}