8068036: assert(is_available(index)) failed in G1 cset
Summary: Some verification code iterated over the heap using the region mapping array. This is not allowed. Changed to use the regular iteration method with closure.
Reviewed-by: jwilhelm, brutisso
#// Usage: jjs -scripting greeting.js
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// readLine prints prompt and reads user response
var name = readLine("Your name please: ");
// user name is interpolated within string
print("Hello ${name}");