diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-04-07 14:10:40 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-04-07 14:10:40 +0000 |
| commit | efac8da4cfa49799d5fdbc9d10b0e9f9a53ff6c8 (patch) | |
| tree | 6fa78e2978a9359229e5125995b56f889b8696a9 /lib/Sema/SemaDecl.cpp | |
| parent | 6797204b89c0edb9496249fba557b45d8cc9ec76 (diff) | |
Sema: Don't crash when trying to emit a warning for a duplicate value in an invalid enum.
Fixes PR15693. A null check on a pointer returned from cast<> is a very dubious
construct, do we have a checker for this somewhere?
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178975 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index 84d992c878..c8a5d932e7 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -11538,7 +11538,7 @@ static void CheckForDuplicateEnumValues(Sema &S, Decl **Elements, // Populate the EnumMap with all values represented by enum constants without // an initialier. for (unsigned i = 0; i < NumElements; ++i) { - EnumConstantDecl *ECD = cast<EnumConstantDecl>(Elements[i]); + EnumConstantDecl *ECD = cast_or_null<EnumConstantDecl>(Elements[i]); // Null EnumConstantDecl means a previous diagnostic has been emitted for // this constant. Skip this enum since it may be ill-formed. |