d: Merge dmd, druntime d8e3976a58, phobos 7a6e95688

D front-end changes:

    - Import dmd v2.107.0-beta.1.
    - A string literal as an assert condition is deprecated.
    - Added `@standalone` for module constructors.

D runtime changes:

    - Import druntime v2.107.0-beta.1.

Phobos changes:

    - Import phobos v2.107.0-beta.1.

gcc/d/ChangeLog:

	* dmd/MERGE: Merge upstream dmd d8e3976a58.
	* dmd/VERSION: Bump version to v2.107.0-beta.1.
	* d-lang.cc (d_parse_file): Update for new front-end interface.
	* modules.cc (struct module_info): Add standalonectors.
	(build_module_tree): Implement @standalone.
	(register_module_decl): Likewise.

libphobos/ChangeLog:

	* libdruntime/MERGE: Merge upstream druntime d8e3976a58.
	* src/MERGE: Merge upstream phobos 7a6e95688.

7 files changed, 41 insertions, 12 deletions

diff --git a/libphobos/libdruntime/MERGE b/libphobos/libdruntime/MERGE
index fa7004b..2b4400f 100644
--- a/libphobos/libdruntime/MERGE
+++ b/libphobos/libdruntime/MERGE
@@ -1,4 +1,4 @@
-f1a045928e03239b9477f9497f43f2cf0e61e959
+d8e3976a58d6aef7c2c9371028a2ca4460b5b2ce
 
 The first line of this file holds the git revision number of the last
 merge done from the dlang/dmd repository.
diff --git a/libphobos/libdruntime/__builtins.di b/libphobos/libdruntime/__builtins.di
index 74147a0..b4fef09 100644
--- a/libphobos/libdruntime/__builtins.di
+++ b/libphobos/libdruntime/__builtins.di
@@ -53,6 +53,10 @@ version (CRuntime_Microsoft)
 
 version (DigitalMars)
 {
+    immutable float __nan = float.nan;
+
+    float __builtin_nanf()(char*)  { return float.nan; }
+
     double __builtin_inf()()  { return double.infinity; }
     float  __builtin_inff()() { return float.infinity; }
     real   __builtin_infl()() { return real.infinity; }
diff --git a/libphobos/libdruntime/core/attribute.d b/libphobos/libdruntime/core/attribute.d
index c2a7c33..79ad25a 100644
--- a/libphobos/libdruntime/core/attribute.d
+++ b/libphobos/libdruntime/core/attribute.d
@@ -290,3 +290,15 @@ version (UdaGNUAbiTag) struct gnuAbiTag
  * ---
  */
 enum mustuse;
+
+/**
+ * Use this attribute to indicate that a shared module constructor does not depend on any
+ * other module constructor being run first. This avoids errors on cyclic module constructors.
+ *
+ * However, it is now up to the user to enforce safety.
+ * The module constructor must be marked `@system` as a result.
+ * Prefer to refactor the module constructor causing the cycle so it's in its own module if possible.
+ *
+ * This is only allowed on `shared` static constructors, not thread-local module constructors.
+ */
+enum standalone;
diff --git a/libphobos/libdruntime/core/math.d b/libphobos/libdruntime/core/math.d
index 30fc130..941b5de 100644
--- a/libphobos/libdruntime/core/math.d
+++ b/libphobos/libdruntime/core/math.d
@@ -30,15 +30,6 @@ public:
 nothrow:
 @safe:
 
-/*****************************************
- * Returns x rounded to a long value using the FE_TONEAREST rounding mode.
- * If the integer value of x is
- * greater than long.max, the result is
- * indeterminate.
- */
-deprecated("rndtonl is to be removed by 2.100. Please use round instead")
-extern (C) real rndtonl(real x);
-
 pure:
 /***********************************
  * Returns cosine of x. x is in radians.
diff --git a/libphobos/libdruntime/core/stdcpp/new_.d b/libphobos/libdruntime/core/stdcpp/new_.d
index 6a598ba..de9e10a 100644
--- a/libphobos/libdruntime/core/stdcpp/new_.d
+++ b/libphobos/libdruntime/core/stdcpp/new_.d
@@ -59,6 +59,8 @@ T cpp_new(T, Args...)(auto ref Args args) if (is(T == class))
 ///
 void cpp_delete(T)(T* ptr) if (!is(T == class))
 {
+    if (ptr is null)
+        return;
     destroy!false(*ptr);
     __cpp_delete(ptr);
 }
@@ -66,6 +68,8 @@ void cpp_delete(T)(T* ptr) if (!is(T == class))
 ///
 void cpp_delete(T)(T instance) if (is(T == class))
 {
+    if (instance is null)
+        return;
     destroy!false(instance);
     __cpp_delete(cast(void*) instance);
 }
diff --git a/libphobos/libdruntime/core/sys/posix/net/if_.d b/libphobos/libdruntime/core/sys/posix/net/if_.d
index e63af4f..7fadcd8 100644
--- a/libphobos/libdruntime/core/sys/posix/net/if_.d
+++ b/libphobos/libdruntime/core/sys/posix/net/if_.d
@@ -143,6 +143,21 @@ else version (CRuntime_Bionic)
     uint            if_nametoindex(const scope char*);
     char*           if_indextoname(uint, char*);
 }
+else version (CRuntime_Musl)
+{
+    struct if_nameindex_t
+    {
+        uint    if_index;
+        char*   if_name;
+    }
+
+    enum IF_NAMESIZE = 16;
+
+    uint            if_nametoindex(const scope char*);
+    char*           if_indextoname(uint, char*);
+    if_nameindex_t* if_nameindex();
+    void            if_freenameindex(if_nameindex_t*);
+}
 else version (CRuntime_UClibc)
 {
     struct if_nameindex_t
@@ -157,4 +172,4 @@ else version (CRuntime_UClibc)
     char*           if_indextoname(uint, char*);
     if_nameindex_t* if_nameindex();
     void            if_freenameindex(if_nameindex_t*);
-}
\ No newline at end of file
+}
diff --git a/libphobos/libdruntime/rt/sections.d b/libphobos/libdruntime/rt/sections.d
index 006d48d..65f5789 100644
--- a/libphobos/libdruntime/rt/sections.d
+++ b/libphobos/libdruntime/rt/sections.d
@@ -85,7 +85,10 @@ static assert(is(typeof(&initTLSRanges) RT == return) &&
               is(typeof(&finiTLSRanges) == void function(RT) nothrow @nogc) &&
               is(typeof(&scanTLSRanges) == void function(RT, scope void delegate(void*, void*) nothrow) nothrow));
 
-version (Shared)
+version (Windows)
+{
+}
+else version (Shared)
 {
     static assert(is(typeof(&pinLoadedLibraries) == void* function() nothrow @nogc));
     static assert(is(typeof(&unpinLoadedLibraries) == void function(void*) nothrow @nogc));