unittests: provide additional metadata stubs

Provide additional stubs for known metadata.  These are used in the unit
tests which do not link against the standard library and thus do not
have the known metadata.  Augment the existing metadata stubs with the
new decorated names and entries.

Author: compnerd

unittests/runtime/Stdlib.cpp

@@ -180,6 +180,9 @@ void *$ss32_getErrorEmbeddedNSErrorIndirectyyXlSgSPyxGs0B0RzlF(void *) {
 SWIFT_RUNTIME_STDLIB_INTERNAL
 const long long $SkMp[1] = {0};
 
+SWIFT_RUNTIME_STDLIB_INTERNAL
+const long long $sSHMp[1] = {0};
+
 // Array
 
 SWIFT_RUNTIME_STDLIB_INTERNAL
@@ -190,11 +193,17 @@ const long long $sSaMn[1] = {0};
 SWIFT_RUNTIME_STDLIB_INTERNAL
 const long long $ssSdVMn[1] = {0};
 
+SWIFT_RUNTIME_STDLIB_INTERNAL
+const long long $sSDMn[1] = {0};
+
 // Set
 
 SWIFT_RUNTIME_STDLIB_INTERNAL
 const long long $ssSeVMn[1] = {0};
 
+SWIFT_RUNTIME_STDLIB_INTERNAL
+const long long $sShMn[1] = {0};
+
 // Mirror
 
 // protocol witness table for Swift._ClassSuperMirror : Swift._Mirror in Swift
@@ -271,3 +280,8 @@ MANGLE_SYM(s20_playgroundPrintHookySScSgvg)() {
   return {nullptr, nullptr};
 }
 
+// ObjectiveC Bridgeable
+
+SWIFT_RUNTIME_STDLIB_INTERNAL
+const long long $ss21_ObjectiveCBridgeableMp[1] = {0};
+