Increase default max stack size (#923) (#923)

Summary:
Original Author: 4092035+mikeduminy@users.noreply.github.com
Original Git: 1b759f4

As discussed in #135, the default stack size doesn't work for all use cases. In particular, when very large and complex bundles are loaded in dev mode.

This PR bumps the default stack size from `64*1024` (512kB) to `128*1024` (1MB). As suggested by tmikov in this comment - #135 (comment).

Pull Request resolved: #923

Original Reviewed By: tmikov

Original Revision: D43630032

Reviewed By: tmikov

Differential Revision: D44770995

fbshipit-source-id: 400221033e4c1e079535342331c99561f141b830

public/hermes/Public/RuntimeConfig.h

@@ -35,7 +35,7 @@ class PinnedHermesValue;
   F(constexpr, PinnedHermesValue *, RegisterStack, nullptr)            \
                                                                        \
   /* Register Stack Size */                                            \
-  F(constexpr, unsigned, MaxNumRegisters, 64 * 1024)                   \
+  F(constexpr, unsigned, MaxNumRegisters, 128 * 1024)                  \
                                                                        \
   /* Whether to allow eval and Function ctor */                        \
   F(constexpr, bool, EnableEval, true)                                 \