[11u] RFR: 8249602: C2: assert(cnt == _outcnt) failed: no insertions allowed

[Lindenmaier, Goetz]

Hi

Only trivial resolves because of whitespace and the 'a' argument to clones() in the context. 
http://cr.openjdk.java.net/~goetz/wr20/8249602-C2_insertions-jdk11/01/

Please review.

https://bugs.openjdk.java.net/browse/JDK-8249602
https://hg.openjdk.java.net/jdk/jdk/rev/b7dda1eda100

Best regards,
  Goetz.