Preserve required MS x64 call stack alignment when flushing registers.

The Microsoft x64 calling convention also requires a 16-byte stack
alignment on invocation of "call"; adjust pushAllRegisters stack usage
accordingly.

( From patch contributed by ilya.berdichevsky )

R=haraken
BUG=446479

Review URL: https://codereview.chromium.org/941763002

git-svn-id: svn://svn.chromium.org/blink/trunk@190539 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: ba13e0618fbacf124bac275365e2bfeba934743c
  1. third_party/