d: Merge upstream dmd 3982604c5, druntime bc58b1e9, phobos 12329adb6.

D front-end changes:

    - Import dmd mainline development.
    - Split off enum EXP from enum TOK.
    - Integer promotions now follow C integral promotions by default.
    - Implements __traits(initSymbol).
    - Lowering of array construction has been moved to the dmd
      front-end.
    - Fix segfault in dmd.lexer from unaligned read (PR103529).

Druntime changes:

    - Import druntime mainline development.
    - Define SIG_BLOCK for Solaris (PR103528).

Phobos changes:

    - Import phobos mainline development.

gcc/d/ChangeLog:

	PR d/103529
	* dmd/MERGE: Merge upstream dmd 3982604c5.
	* Make-lang.in (D_FRONTEND_OBJS): Add d/root-optional.o.
	* d-attribs.cc (build_attributes): Update for new front-end interface.
	* d-codegen.cc (d_build_call): Likewise.
	* d-compiler.cc (Compiler::paintAsType): Likewise.
	* d-lang.cc (d_handle_option): Remove OPT_fpreview_intpromote, add
	handling of OPT_frevert_intpromote.
	* d-port.cc (Port::valcpy): Assert buffer is aligned.
	* d-target.cc (Target::isVectorOpSupported): Update for new front-end
	interface.
	* decl.cc (layout_class_initializer): Likewise.
	* expr.cc (lvalue_p): Likewise.
	(binop_assignment): Likewise.
	(ExprVisitor::visit): Likewise.
	(ExprVisitor::visit (AssignExp *)): Remove generation of _d_arrayctor
	and _d_arraysetctor library helpers.
	(ExprVisitor::visit (VarExp *)): Support __traits(initSymbol).
	* intrinsics.cc (expand_intrinsic_rotate): Update for new front-end
	interface.
	* lang.opt (fpreview=intpromote): Remove.
	(frevert=intpromote): New.
	* runtime.def (ARRAYCTOR): Remove.
	(ARRAYSETCTOR): Remove.
	* toir.cc (IRVisitor::visit): Update for new front-end interface.
	* types.cc (layout_aggregate_members): Likewise.
	* dmd/root/optional.d: New file.
	* dmd/root/optional.h: New file.

libphobos/ChangeLog:

	PR d/103528
	* libdruntime/MERGE: Merge upstream druntime bc58b1e9.
	* libdruntime/Makefile.am (DRUNTIME_DSOURCES_LINUX): Remove
	core/sys/linux/syscalls.d.
	* libdruntime/Makefile.in: Regenerate.
	* src/MERGE: Merge upstream phobos 12329adb6.
	* testsuite/libphobos.config/config.exp: Add test22523.
	* libdruntime/core/sys/linux/syscalls.d: Removed.
	* testsuite/libphobos.config/test22523.d: New test.

1 files changed, 5 insertions, 5 deletions

diff --git a/libphobos/src/std/json.d b/libphobos/src/std/json.d
index af7aa38..ea22d63 100644
--- a/libphobos/src/std/json.d
+++ b/libphobos/src/std/json.d
@@ -159,7 +159,7 @@ struct JSONValue
         return store.str;
     }
     /// ditto
-    @property string str(return string v) pure nothrow @nogc @trusted return // TODO make @safe
+    @property string str(return scope string v) pure nothrow @nogc @trusted return // TODO make @safe
     {
         assign(v);
         return v;
@@ -282,7 +282,7 @@ struct JSONValue
         return store.object;
     }
     /// ditto
-    @property JSONValue[string] object(return JSONValue[string] v) pure nothrow @nogc @trusted // TODO make @safe
+    @property JSONValue[string] object(return scope JSONValue[string] v) pure nothrow @nogc @trusted // TODO make @safe
     {
         assign(v);
         return v;
@@ -321,14 +321,14 @@ struct JSONValue
        (*a)[0] = "world";  // segmentation fault
        ---
      */
-    @property ref inout(JSONValue[]) array() inout pure @system
+    @property ref inout(JSONValue[]) array() return scope inout pure @system
     {
         enforce!JSONException(type == JSONType.array,
                                 "JSONValue is not an array");
         return store.array;
     }
     /// ditto
-    @property JSONValue[] array(return JSONValue[] v) pure nothrow @nogc @trusted scope // TODO make @safe
+    @property JSONValue[] array(return scope JSONValue[] v) pure nothrow @nogc @trusted scope // TODO make @safe
     {
         assign(v);
         return v;
@@ -635,7 +635,7 @@ struct JSONValue
      * Hash syntax for json objects.
      * Throws: `JSONException` if `type` is not `JSONType.object`.
      */
-    ref inout(JSONValue) opIndex(return string k) inout pure @safe
+    ref inout(JSONValue) opIndex(return scope string k) inout pure @safe
     {
         auto o = this.objectNoRef;
         return *enforce!JSONException(k in o,