hg: jdk7/hotspot-comp/hotspot: 6988308: assert((cnt > 0.0f) && (prob > 0.0f)) failed: Bad frequency assignment in if

[igor.veresov at oracle.com]

Changeset: 3a808be061ff
Author:    iveresov
Date:      2011-04-13 14:33 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/3a808be061ff

6988308: assert((cnt > 0.0f) && (prob > 0.0f)) failed: Bad frequency assignment in if
Summary: Make sure cnt doesn't become negative and integer overflow doesn't happen.
Reviewed-by: kvn, twisti

! src/share/vm/opto/parse2.cpp