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| author | Douglas Gregor <dgregor@apple.com> | 2009-05-10 22:59:12 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2009-05-10 22:59:12 +0000 |
| commit | c4ccf01c1223ea13efc5b6dd19ca4916af0daf6a (patch) | |
| tree | 5e1dc247814af08bd18af0bb4e081ccf0b5561da /lib/AST/ASTContext.cpp | |
| parent | 7da97d0f31e1ec16998d3de2cfd2e88fe3736673 (diff) | |
The canonical declaration of a NULL declaration is NULL
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71409 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AST/ASTContext.cpp')
| -rw-r--r-- | lib/AST/ASTContext.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp index f9d648b816..52eadef75a 100644 --- a/lib/AST/ASTContext.cpp +++ b/lib/AST/ASTContext.cpp @@ -1704,6 +1704,9 @@ QualType ASTContext::getCanonicalType(QualType T) { } Decl *ASTContext::getCanonicalDecl(Decl *D) { + if (!D) + return 0; + if (TagDecl *Tag = dyn_cast<TagDecl>(D)) { QualType T = getTagDeclType(Tag); return cast<TagDecl>(cast<TagType>(T.getTypePtr()->CanonicalType) |