Use default ctors on new compilers
commit1a892d6cd0eeb754331057f8e49cfda239cd5e8a
authorEdwin Smith <smith@fb.com>
Sun, 20 Nov 2016 17:48:01 +0000 (20 09:48 -0800)
committerHhvm Bot <hhvm-bot-bot@fb.com>
Sun, 20 Nov 2016 17:58:57 +0000 (20 09:58 -0800)
tree2e48873ff1c7b9a783ebf96c0c72dcf2105f30d7
parent4a2874059a9aa998ea5fe50df084b29f3f60070d
Use default ctors on new compilers

Summary:
for the req:: containers, use default-constructor options
that do not allocate memory initially.

Reviewed By: markw65

Differential Revision: D4182875

fbshipit-source-id: 9c94e704b8b0e2b7840a1c26f146b0f5226acbd0
hphp/runtime/base/req-containers.h
hphp/util/hash-map-typedefs.h