--- d/phobos/config/x3.c.orig	(revision 241)
+++ d/phobos/config/x3.c	(revision 242)
@@ -451,7 +451,15 @@
 {
     int status;
     const char * result;
-    char * cmd = concat("exec \"$@\"",
+#if _WIN32
+    /* x3 programs get the c:\foo\bar form of path names.  Passing that
+       as a program name to the MSYS shell's 'exec' causes the path
+       to be mangled. */
+    const char * exec_bit = "\"$@\"";
+#else
+    const char * exec_bit = "exec \"$@\"";
+#endif
+    char * cmd = concat(exec_bit,
 	global->log_path ? " >>" : "",
 	global->log_path ? global->log_path : "", // TODO: assumptions about charaters in the path
 	global->log_path ? " 2>&1" : "",
--- d/dmd/root.c.orig	(revision 241)
+++ d/dmd/root.c	(revision 242)
@@ -523,7 +523,6 @@
 	        break;
 #endif
 #if _WIN32
-	    case '/':
 	    case '\\':
 	    case ':':
 	    case '/':
--- d/phobos/gcc/deh.d.orig	(revision 231)
+++ d/phobos/gcc/deh.d	(revision 232)
@@ -324,7 +324,7 @@
 
 		// Can never have null landing pad for sjlj -- that would have
 		// been indicated by a -1 call site index.
-		landing_pad = cs_lp + 1;
+		phase1.landingPad = cs_lp + 1;
 		if (cs_action)
 		    action_record = info.action_table + cs_action - 1;
 		goto found_something;