[PATCH] D74094: [IRGen] Emit lifetime intrinsics around temporary aggregate argument allocas

[Erik Pilkington via Phabricator via cfe-commits]

erik.pilkington created this revision.
erik.pilkington added reviewers: rjmccall, thegameg, rsmith.
Herald added subscribers: ributzka, dexonsmith, jkorous.

These temporaries are only used in the callee, and their memory can be reused after the call is complete.

rdar://58552124


https://reviews.llvm.org/D74094

Files:
  clang/lib/CodeGen/CGCall.cpp
  clang/lib/CodeGen/CGCall.h
  clang/test/CodeGen/lifetime-call-temp.c
  clang/test/CodeGenCXX/stack-reuse-miscompile.cpp

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