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| author | Ben Langmuir <blangmuir@apple.com> | 2015-01-20 20:41:36 +0000 |
|---|---|---|
| committer | Ben Langmuir <blangmuir@apple.com> | 2015-01-20 20:41:36 +0000 |
| commit | c91ac9ed498eea96e135c3433e690edf5f951b74 (patch) | |
| tree | 506eb01de2b7c3cc2346794f09ecd5a4d6c61a1a /clang/lib/Sema/SemaExpr.cpp | |
| parent | e7d3dfdb754b8c6bd999f272b9b4b70c2aef538f (diff) | |
| download | bcm5719-llvm-c91ac9ed498eea96e135c3433e690edf5f951b74.tar.gz bcm5719-llvm-c91ac9ed498eea96e135c3433e690edf5f951b74.zip | |
Fix crashes on missing @interface for category
In a few places we didn't check that Category->getClassInterface() was
not null before using it.
llvm-svn: 226605
Diffstat (limited to 'clang/lib/Sema/SemaExpr.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaExpr.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp index fba7a2d23ff..74779bc28c4 100644 --- a/clang/lib/Sema/SemaExpr.cpp +++ b/clang/lib/Sema/SemaExpr.cpp @@ -76,8 +76,8 @@ bool Sema::CanUseDecl(NamedDecl *D) { static void DiagnoseUnusedOfDecl(Sema &S, NamedDecl *D, SourceLocation Loc) { // Warn if this is used but marked unused. if (D->hasAttr<UnusedAttr>()) { - const Decl *DC = cast<Decl>(S.getCurObjCLexicalContext()); - if (!DC->hasAttr<UnusedAttr>()) + const Decl *DC = cast_or_null<Decl>(S.getCurObjCLexicalContext()); + if (DC && !DC->hasAttr<UnusedAttr>()) S.Diag(Loc, diag::warn_used_but_marked_unused) << D->getDeclName(); } } |
