[Runtime] Print fatal errors' messages before pausing in the debugger (swiftlang#18374)

The message is available in the debugger (or in Xcode), but it
increases the chances that the user will see it if it's also been
logged at the time the debugger takes over.

Author: jrose-apple

stdlib/public/stubs/Assert.cpp

@@ -46,8 +46,6 @@ void swift::_swift_stdlib_reportFatalErrorInFile(
     uint32_t line,
     uint32_t flags
 ) {
-  logPrefixAndMessageToDebugger(prefix, prefixLength, message, messageLength);
-
   char *log;
   swift_asprintf(
       &log, "%.*s: %.*s%sfile %.*s, line %" PRIu32 "\n",
@@ -59,15 +57,15 @@ void swift::_swift_stdlib_reportFatalErrorInFile(
 
   swift_reportError(flags, log);
   free(log);
+
+  logPrefixAndMessageToDebugger(prefix, prefixLength, message, messageLength);
 }
 
 void swift::_swift_stdlib_reportFatalError(
     const unsigned char *prefix, int prefixLength,
     const unsigned char *message, int messageLength,
     uint32_t flags
 ) {
-  logPrefixAndMessageToDebugger(prefix, prefixLength, message, messageLength);
-
   char *log;
   swift_asprintf(
       &log, "%.*s: %.*s\n",
@@ -76,6 +74,8 @@ void swift::_swift_stdlib_reportFatalError(
 
   swift_reportError(flags, log);
   free(log);
+
+  logPrefixAndMessageToDebugger(prefix, prefixLength, message, messageLength);
 }
 
 void swift::_swift_stdlib_reportUnimplementedInitializerInFile(