8023227: Enhance layout_helper_log2_element_size assert
Reviewed-by: mgerdin, jmasa
--- a/hotspot/src/share/vm/oops/klass.hpp Fri Aug 16 11:26:09 2013 +0200
+++ b/hotspot/src/share/vm/oops/klass.hpp Mon Aug 19 13:44:13 2013 +0200
@@ -352,7 +352,8 @@
static int layout_helper_log2_element_size(jint lh) {
assert(lh < (jint)_lh_neutral_value, "must be array");
int l2esz = (lh >> _lh_log2_element_size_shift) & _lh_log2_element_size_mask;
- assert(l2esz <= LogBitsPerLong, "sanity");
+ assert(l2esz <= LogBitsPerLong,
+ err_msg("sanity. l2esz: 0x%x for lh: 0x%x", (uint)l2esz, (uint)lh));
return l2esz;
}
static jint array_layout_helper(jint tag, int hsize, BasicType etype, int log2_esize) {