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from 833975c [OpenMP] Prepare Sema for initial implementation for pragma ' [...] new 12792eb [ubsan] Pass a set of checks to skip to EmitTypeCheck() (NFC) new 3f0a3f3 Retry^2: [ubsan] Reduce null checking of C++ object pointers [...]

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Summary of changes: lib/CodeGen/CGClass.cpp | 8 +- lib/CodeGen/CGExpr.cpp | 54 ++++++- lib/CodeGen/CGExprCXX.cpp | 13 +- lib/CodeGen/CodeGenFunction.cpp | 9 ++ lib/CodeGen/CodeGenFunction.h | 5 +- test/CodeGen/catch-undef-behavior.c | 19 +-- test/CodeGen/sanitize-recover.c | 13 +- test/CodeGenCXX/ubsan-suppress-null-checks.cpp | 188 +++++++++++++++++++++++++ test/CodeGenCXX/ubsan-type-checks.cpp | 20 +++ 9 files changed, 292 insertions(+), 37 deletions(-) create mode 100644 test/CodeGenCXX/ubsan-suppress-null-checks.cpp create mode 100644 test/CodeGenCXX/ubsan-type-checks.cpp