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.

4 files changed, 47 insertions, 47 deletions

diff --git a/libphobos/libdruntime/MERGE b/libphobos/libdruntime/MERGE
index 5e2566c..e08d9cd 100644
--- a/libphobos/libdruntime/MERGE
+++ b/libphobos/libdruntime/MERGE
@@ -1,4 +1,4 @@
-9ba9a6ae2b8f6811cb85107cb56701df04f36ac6
+27834edb5e1613e3abd43e09880c36d9fc961938
 
 The first line of this file holds the git revision number of the last
 merge done from the dlang/druntime repository.
diff --git a/libphobos/libdruntime/core/exception.d b/libphobos/libdruntime/core/exception.d
index a692866..81aa43b 100644
--- a/libphobos/libdruntime/core/exception.d
+++ b/libphobos/libdruntime/core/exception.d
@@ -19,29 +19,6 @@ void __switch_errorT()(string file = __FILE__, size_t line = __LINE__) @trusted
         assert(0, "No appropriate switch clause found");
 }
 
-version (D_BetterC)
-{
-    // When compiling with -betterC we use template functions so if they are
-    // used the bodies are copied into the user's program so there is no need
-    // for the D runtime during linking.
-
-    // In the future we might want to convert all functions in this module to
-    // templates even for ordinary builds instead of providing them as an
-    // extern(C) library.
-
-    void onOutOfMemoryError()(void* pretend_sideffect = null) @nogc nothrow pure @trusted
-    {
-        assert(0, "Memory allocation failed");
-    }
-    alias onOutOfMemoryErrorNoGC = onOutOfMemoryError;
-
-    void onInvalidMemoryOperationError()(void* pretend_sideffect = null) @nogc nothrow pure @trusted
-    {
-        assert(0, "Invalid memory operation");
-    }
-}
-else:
-
 /**
  * Thrown on a range error.
  */
@@ -218,17 +195,17 @@ private void rangeMsgPut(ref char[] r, scope const(char)[] e) @nogc nothrow pure
  */
 class AssertError : Error
 {
-    @safe pure nothrow this( string file, size_t line )
+    @safe pure nothrow @nogc this( string file, size_t line )
     {
         this(cast(Throwable)null, file, line);
     }
 
-    @safe pure nothrow this( Throwable next, string file = __FILE__, size_t line = __LINE__ )
+    @safe pure nothrow @nogc this( Throwable next, string file = __FILE__, size_t line = __LINE__ )
     {
         this( "Assertion failure", file, line, next);
     }
 
-    @safe pure nothrow this( string msg, string file = __FILE__, size_t line = __LINE__, Throwable next = null )
+    @safe pure nothrow @nogc this( string msg, string file = __FILE__, size_t line = __LINE__, Throwable next = null )
     {
         super( msg, file, line, next );
     }
@@ -692,26 +669,49 @@ extern (C) void onFinalizeError( TypeInfo info, Throwable e, string file = __FIL
     throw staticError!FinalizeError(info, e, file, line);
 }
 
-/**
- * A callback for out of memory errors in D.  An $(LREF OutOfMemoryError) will be
- * thrown.
- *
- * Throws:
- *  $(LREF OutOfMemoryError).
- */
-extern (C) void onOutOfMemoryError(void* pretend_sideffect = null) @trusted pure nothrow @nogc /* dmd @@@BUG11461@@@ */
+version (D_BetterC)
 {
-    // NOTE: Since an out of memory condition exists, no allocation must occur
-    //       while generating this object.
-    throw staticError!OutOfMemoryError();
-}
+    // When compiling with -betterC we use template functions so if they are
+    // used the bodies are copied into the user's program so there is no need
+    // for the D runtime during linking.
 
-extern (C) void onOutOfMemoryErrorNoGC() @trusted nothrow @nogc
-{
-    // suppress stacktrace until they are @nogc
-    throw staticError!OutOfMemoryError(false);
+    // In the future we might want to convert all functions in this module to
+    // templates even for ordinary builds instead of providing them as an
+    // extern(C) library.
+
+    void onOutOfMemoryError()(void* pretend_sideffect = null) @nogc nothrow pure @trusted
+    {
+        assert(0, "Memory allocation failed");
+    }
+    alias onOutOfMemoryErrorNoGC = onOutOfMemoryError;
+
+    void onInvalidMemoryOperationError()(void* pretend_sideffect = null) @nogc nothrow pure @trusted
+    {
+        assert(0, "Invalid memory operation");
+    }
 }
+else
+{
+    /**
+     * A callback for out of memory errors in D.  An $(LREF OutOfMemoryError) will be
+     * thrown.
+     *
+     * Throws:
+     *  $(LREF OutOfMemoryError).
+     */
+    extern (C) void onOutOfMemoryError(void* pretend_sideffect = null) @trusted pure nothrow @nogc /* dmd @@@BUG11461@@@ */
+    {
+        // NOTE: Since an out of memory condition exists, no allocation must occur
+        //       while generating this object.
+        throw staticError!OutOfMemoryError();
+    }
 
+    extern (C) void onOutOfMemoryErrorNoGC() @trusted nothrow @nogc
+    {
+        // suppress stacktrace until they are @nogc
+        throw staticError!OutOfMemoryError(false);
+    }
+}
 
 /**
  * A callback for invalid memory operations in D.  An
diff --git a/libphobos/libdruntime/object.d b/libphobos/libdruntime/object.d
index a15616c..e58afa2 100644
--- a/libphobos/libdruntime/object.d
+++ b/libphobos/libdruntime/object.d
@@ -2830,8 +2830,8 @@ extern (C)
 
     private struct AA { void* impl; }
     // size_t _aaLen(in AA aa) pure nothrow @nogc;
-    private void* _aaGetY(AA* paa, const TypeInfo_AssociativeArray ti, const size_t valsz, const scope void* pkey) pure nothrow;
-    private void* _aaGetX(AA* paa, const TypeInfo_AssociativeArray ti, const size_t valsz, const scope void* pkey, out bool found) pure nothrow;
+    private void* _aaGetY(scope AA* paa, const TypeInfo_AssociativeArray ti, const size_t valsz, const scope void* pkey) pure nothrow;
+    private void* _aaGetX(scope AA* paa, const TypeInfo_AssociativeArray ti, const size_t valsz, const scope void* pkey, out bool found) pure nothrow;
     // inout(void)* _aaGetRvalueX(inout AA aa, in TypeInfo keyti, in size_t valsz, in void* pkey);
     inout(void[]) _aaValues(inout AA aa, const size_t keysz, const size_t valsz, const TypeInfo tiValueArray) pure nothrow;
     inout(void[]) _aaKeys(inout AA aa, const size_t keysz, const TypeInfo tiKeyArray) pure nothrow;
diff --git a/libphobos/libdruntime/rt/aaA.d b/libphobos/libdruntime/rt/aaA.d
index 0c38622..ab93f19 100644
--- a/libphobos/libdruntime/rt/aaA.d
+++ b/libphobos/libdruntime/rt/aaA.d
@@ -504,7 +504,7 @@ extern (C) size_t _aaLen(scope const AA aa) pure nothrow @nogc
  *      If key was not in the aa, a mutable pointer to newly inserted value which
  *      is set to all zeros
  */
-extern (C) void* _aaGetY(AA* paa, const TypeInfo_AssociativeArray ti,
+extern (C) void* _aaGetY(scope AA* paa, const TypeInfo_AssociativeArray ti,
     const size_t valsz, scope const void* pkey)
 {
     bool found;
@@ -525,7 +525,7 @@ extern (C) void* _aaGetY(AA* paa, const TypeInfo_AssociativeArray ti,
  *      If key was not in the aa, a mutable pointer to newly inserted value which
  *      is set to all zeros
  */
-extern (C) void* _aaGetX(AA* paa, const TypeInfo_AssociativeArray ti,
+extern (C) void* _aaGetX(scope AA* paa, const TypeInfo_AssociativeArray ti,
     const size_t valsz, scope const void* pkey, out bool found)
 {
     // lazily alloc implementation