OSR entry pruning of Program Bytecodes doesn't take into account try/catch

OSR entry pruning of Program Bytecodes doesn't take into account try/catch
https://bugs.webkit.org/show_bug.cgi?id=185281

Reviewed by Saam Barati.

JSTests:

New regression test.

* stress/baseline-osrentry-catch-is-reachable.js: Added.
(i.j.catch):

Source/JavaScriptCore:

When we compute bytecode block reachability, we need to take into account blocks
containing try/catch.

* jit/JIT.cpp:
(JSC::JIT::privateCompileMainPass):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@231343 268f45cc-cd09-0410-ab3c-d52691b4dbfc