d: Merge upstream dmd, druntime 2bbf64907c, phobos b64bfbf91

D front-end changes:

    - Import dmd v2.106.0.

D runtime changes:

    - Import druntime v2.106.0.

Phobos changes:

    - Import phobos v2.106.0.

gcc/d/ChangeLog:

	* Make-lang.in (D_FRONTEND_OBJS): Rename d/common-string.o to
	d/common-smallbuffer.o.
	* dmd/MERGE: Merge upstream dmd 2bbf64907c.
	* dmd/VERSION: Bump version to v2.106.0.
	* modules.cc (layout_moduleinfo_fields): Update for new front-end
	interface.
	(layout_moduleinfo): Likewise.

libphobos/ChangeLog:

	* libdruntime/MERGE: Merge upstream druntime 2bbf64907c.
	* src/MERGE: Merge upstream phobos b64bfbf91.

1 files changed, 12 insertions, 0 deletions

diff --git a/libphobos/src/std/uni/package.d b/libphobos/src/std/uni/package.d
index 9903d6c..fec7e5f 100644
--- a/libphobos/src/std/uni/package.d
+++ b/libphobos/src/std/uni/package.d
@@ -7706,6 +7706,12 @@ public:
         return this.tupleof == other.tupleof;
     }
 
+    // Define a default toHash to allow AA usage
+    size_t toHash() const @trusted
+    {
+        return hashOf(slen_, hashOf(small_));
+    }
+
     /++
         True if this object contains valid extended grapheme cluster.
         Decoding primitives of this module always return a valid `Grapheme`.
@@ -7907,6 +7913,12 @@ static assert(Grapheme.sizeof == size_t.sizeof*4);
     assert(equal(h[], iota(cast(int)'A', cast(int)'Z'+1)));
 }
 
+// ensure Grapheme can be used as an AA key.
+@safe unittest
+{
+    int[Grapheme] aa;
+}
+
 /++
     $(P Does basic case-insensitive comparison of `r1` and `r2`.
     This function uses simpler comparison rule thus achieving better performance