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(parent: 6c12414) | patch
[UBsan] Skip -fsanitize=vptr instrumentations when the pointer value is null.
authorAlexey Samsonov <vonosmas@gmail.com>
Fri, 18 Jul 2014 18:15:39 +0000 (18:15 +0000)
committerAlexey Samsonov <vonosmas@gmail.com>
Fri, 18 Jul 2014 18:15:39 +0000 (18:15 +0000)
commit32f59d8e1eaf89774efa65fa03c75e9f5bcd7f13
tree1a0e229ada46580d3cc89406196ed14a74826d87tree | snapshot
parent6c12414358031407667b75657b9d768080f16409commit | diff
[UBsan] Skip -fsanitize=vptr instrumentations when the pointer value is null.

Otherwise -fsanitize=vptr causes the program to crash when it downcasts
a null pointer.

Reviewed in http://reviews.llvm.org/D4412.
Patch by Byoungyoung Lee!

llvm-svn: 213393
clang/lib/CodeGen/CGExpr.cpp diff | blob | history
clang/test/CodeGenCXX/catch-undef-behavior.cpp diff | blob | history
Domain: System / Toolchain;