Fix build problems on Windows 64-bit by casting.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 7de610da185b49f681e790642644f7e728ce80b3..333d0a0334c363c4434de0f8a1d3bd0253270637 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -2542,7 +2542,7 @@ static inline int SingleCharIndexOf(Vector<const schar> string,
                pattern_char,
                string.length() - start_index));
     if (pos == NULL) return -1;
-    return pos - string.start();
+    return static_cast<int>(pos - string.start());
   }
   for (int i = start_index, n = string.length(); i < n; i++) {
     if (pattern_char == string[i]) {
@@ -2600,7 +2600,7 @@ static int SimpleIndexOf(Vector<const schar> subject,
         *complete = true;
         return -1;
       }
-      i = pos - subject.start();
+      i = static_cast<int>(pos - subject.start());
     } else {
       if (subject[i] != pattern_first_char) continue;
     }
@@ -2634,7 +2634,7 @@ static int SimpleIndexOf(Vector<const schar> subject,
                  pattern_first_char,
                  n - i + 1));
       if (pos == NULL) return -1;
-      i = pos - subject.start();
+      i = static_cast<int>(pos - subject.start());
     } else {
       if (subject[i] != pattern_first_char) continue;
     }
@@ -6366,7 +6366,7 @@ static const char kMonthInYear[] = {
 static inline void DateYMDFromTimeAfter1970(int date,
                                             int& year, int& month, int& day) {
 #ifdef DEBUG
-  int save_date = date;  // Need this for ASSERT in the end.
+  int save_date = date;  // Need this for ASSERT in the end.
 #endif
 
   year = 1970 + (4 * date + 2) / kDaysIn4Years;
@@ -6382,7 +6382,7 @@ static inline void DateYMDFromTimeAfter1970(int date,
 static inline void DateYMDFromTimeSlow(int date,
                                        int& year, int& month, int& day) {
 #ifdef DEBUG
-  int save_date = date;  // Need this for ASSERT in the end.
+  int save_date = date;  // Need this for ASSErRT in the end.

[Søren Thygesen Gjesse, 2010/04/13 11:35:37]

???

[Lasse Reichstein, 2010/04/13 11:52:44]

Fixed.

 #endif
 
   date += kDaysOffset;
@@ -9779,7 +9779,8 @@ static Object* Runtime_GetFunctionCodePositionFromSource(Arguments args) {
     // Check if this break point is closer that what was previously found.
     if (source_position <= statement_position &&
         statement_position - source_position < distance) {
-      closest_pc = it.rinfo()->pc() - code->instruction_start();
+      closest_pc =
+          static_cast<int>(it.rinfo()->pc() - code->instruction_start());
       distance = statement_position - source_position;
       // Check whether we can't get any closer.
       if (distance == 0) break;