Roll libxslt to 891681e3e948f31732229f53cb6db7215f740fc7

third_party/libxslt/libexslt/date.c

Index: third_party/libxslt/libexslt/date.c
diff --git a/third_party/libxslt/libexslt/date.c b/third_party/libxslt/libexslt/date.c
index 9ca993c6630d5e4581764560224b7e3af37e290a..272c61b9a9e62eb9ae50a88906bff67fc46006a1 100644
--- a/third_party/libxslt/libexslt/date.c
+++ b/third_party/libxslt/libexslt/date.c
@@ -667,6 +667,11 @@ exsltDateCreateDate (exsltDateType type)
     }
     memset (ret, 0, sizeof(exsltDateVal));
 
+    if (type != XS_DURATION) {
+        ret->value.date.mon = 1;
+        ret->value.date.day = 1;
+    }
+
     if (type != EXSLT_UNKNOWN)
         ret->type = type;
 
@@ -1395,10 +1400,10 @@ _exsltDateTruncateDate (exsltDateValPtr dt, exsltDateType type)
     }
 
     if ((type & XS_GDAY) != XS_GDAY)
-        dt->value.date.day = 0;
+        dt->value.date.day = 1;
 
     if ((type & XS_GMONTH) != XS_GMONTH)
-        dt->value.date.mon = 0;
+        dt->value.date.mon = 1;
 
     if ((type & XS_GYEAR) != XS_GYEAR)
         dt->value.date.year = 0;
@@ -1473,18 +1478,10 @@ _exsltDateAdd (exsltDateValPtr dt, exsltDateValPtr dur)
     d = &(dt->value.date);
     u = &(dur->value.dur);
 
-    /* normalization */
-    if (d->mon == 0)
-        d->mon = 1;
-
     /* normalize for time zone offset */
     u->sec -= (d->tzo * 60);	/* changed from + to - (bug 153000) */
     d->tzo = 0;
 
-    /* normalization */
-    if (d->day == 0)
-        d->day = 1;
-
     /* month */
     carry  = d->mon + u->mon;
     r->mon = (unsigned int)MODULO_RANGE(carry, 1, 13);