trivial file edits

compiler/src/dmd/mars.d

@@ -586,9 +586,9 @@ bool parseCommandLine(const ref Strings arguments, const size_t argc, ref Param
 
     version (none)
     {
-        for (size_t i = 0; i < arguments.length; i++)
+        foreach (i, arg; arguments[])
         {
-            printf("arguments[%d] = '%s'\n", i, arguments[i]);
+            printf("arguments[%d] = '%s'\n", cast(int)i, arguments[i]);
         }
     }
 
@@ -614,6 +614,7 @@ bool parseCommandLine(const ref Strings arguments, const size_t argc, ref Param
                     return false;
                 }
             }
+            //printf("push %s\n", p);
             files.push(p);
             continue;
         }

compiler/src/dmd/root/file.d

@@ -92,7 +92,7 @@ nothrow:
 
         version (Posix)
         {
-            //printf("File::read('%s')\n",name);
+            //printf("File::read('%.*s')\n", cast(int)name.length, name.ptr);
             int fd = name.toCStringThen!(slice => open(slice.ptr, O_RDONLY));
             if (fd == -1)
             {

compiler/src/dmd/root/filename.d

@@ -13,6 +13,7 @@ module dmd.root.filename;
 
 import core.stdc.ctype;
 import core.stdc.errno;
+import core.stdc.stdio;
 import core.stdc.string;
 
 import dmd.common.file;
@@ -858,6 +859,7 @@ nothrow:
     {
         if (!name.length)
             return 0;
+        //static int count; printf("count: %d %.*s\n", ++count, cast(int)name.length, name.ptr);
         version (Posix)
         {
             stat_t st;

compiler/src/dmd/root/rmem.d

@@ -318,7 +318,7 @@ Params:
 
 Returns: A null-terminated copy of the input array.
 */
-extern (D) char[] xarraydup(const(char)[] s) pure nothrow
+extern (D) char[] xarraydup(scope const(char)[] s) pure nothrow
 {
     if (!s)
         return null;