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author | Mike Stump <mrs@apple.com> | 2009-12-12 01:27:46 +0000 |
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committer | Mike Stump <mrs@apple.com> | 2009-12-12 01:27:46 +0000 |
commit | d954638f02e77ed3ade66d60945f7ee60747e3b5 (patch) | |
tree | 197149147fb245fe77f0c5797c19569a16f0b07d /clang/lib/Frontend/PCHWriter.cpp | |
parent | 7cc35b76c3eb20b1eae194317bff8872e5119086 (diff) | |
download | bcm5719-llvm-d954638f02e77ed3ade66d60945f7ee60747e3b5.tar.gz bcm5719-llvm-d954638f02e77ed3ade66d60945f7ee60747e3b5.zip |
Implement runtime checks for undefined behavior. WIP.
This implements a new flag -fcatch-undefined-behavior. The flag turns
on additional runtime checks for:
T a[I];
a[i] abort when i < 0 or i >= I.
Future stuff includes shifts by >= bitwidth amounts.
llvm-svn: 91198
Diffstat (limited to 'clang/lib/Frontend/PCHWriter.cpp')
-rw-r--r-- | clang/lib/Frontend/PCHWriter.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/lib/Frontend/PCHWriter.cpp b/clang/lib/Frontend/PCHWriter.cpp index a190013177a..681c1ff32cb 100644 --- a/clang/lib/Frontend/PCHWriter.cpp +++ b/clang/lib/Frontend/PCHWriter.cpp @@ -781,6 +781,7 @@ void PCHWriter::WriteLanguageOptions(const LangOptions &LangOpts) { Record.push_back(LangOpts.getStackProtectorMode()); Record.push_back(LangOpts.InstantiationDepth); Record.push_back(LangOpts.OpenCL); + Record.push_back(LangOpts.CatchUndefined); Record.push_back(LangOpts.ElideConstructors); Stream.EmitRecord(pch::LANGUAGE_OPTIONS, Record); } |