Fix access violation in resume_after and resume_on_signal - #1342

Fix access violation in resume_after and resume_on_signal#1342

Charles Milette (sylveon) wants to merge 16 commits into

microsoft:mastermicrosoft/cppwinrt:masterfrom

sylveon:user/sylveon/awaiter-access-violationsylveon/cppwinrt:user/sylveon/awaiter-access-violationCopy head branch name to clipboard