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author | Richard Trieu <rtrieu@google.com> | 2014-06-06 21:39:26 +0000 |
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committer | Richard Trieu <rtrieu@google.com> | 2014-06-06 21:39:26 +0000 |
commit | ef6b9cd1c8f0eb49eff480a3ea37b53baffd61f5 (patch) | |
tree | c4f786f1c424c8c2a6214da95170aa6847e63033 /include/clang/Basic/DiagnosticSemaKinds.td | |
parent | 6cb9eb5cd6a98a2fb13ae499aa5cd3a8feaa14e0 (diff) | |
download | clang-ef6b9cd1c8f0eb49eff480a3ea37b53baffd61f5.tar.gz clang-ef6b9cd1c8f0eb49eff480a3ea37b53baffd61f5.tar.bz2 clang-ef6b9cd1c8f0eb49eff480a3ea37b53baffd61f5.tar.xz |
Add -Wtautological-undefined-compare and -Wundefined-bool-conversion warnings
to detect underfined behavior involving pointers.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@210372 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/clang/Basic/DiagnosticSemaKinds.td')
-rw-r--r-- | include/clang/Basic/DiagnosticSemaKinds.td | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td index 34e774671e..20495e73d1 100644 --- a/include/clang/Basic/DiagnosticSemaKinds.td +++ b/include/clang/Basic/DiagnosticSemaKinds.td @@ -2400,10 +2400,27 @@ def warn_impcast_pointer_to_bool : Warning< "address of%select{| function| array}0 '%1' will always evaluate to " "'true'">, InGroup<PointerBoolConversion>; +def warn_this_bool_conversion : Warning< + "'this' pointer cannot be null in well-defined C++ code; pointer may be " + "assumed always converted to true">, InGroup<UndefinedBoolConversion>; +def warn_address_of_reference_bool_conversion : Warning< + "reference cannot be bound to dereferenced null pointer in well-defined C++ " + "code; pointer may be assumed always converted to true">, + InGroup<UndefinedBoolConversion>; + def warn_null_pointer_compare : Warning< "comparison of %select{address of|function|array}0 '%1' %select{not |}2" "equal to a null pointer is always %select{true|false}2">, InGroup<TautologicalPointerCompare>; +def warn_this_null_compare : Warning< + "'this' pointer cannot be null in well-defined C++ code; comparison may be " + "assumed to always evaluate to %select{true|false}0">, + InGroup<TautologicalUndefinedCompare>; +def warn_address_of_reference_null_compare : Warning< + "reference cannot be bound to dereferenced null pointer in well-defined C++ " + "code; comparison may be assumed to always evaluate to " + "%select{true|false}0">, + InGroup<TautologicalUndefinedCompare>; def note_function_warning_silence : Note< "prefix with the address-of operator to silence this warning">; |