[ASTMatchers] Add missing definition for decompositionDecl

Otherwise we'd get a linker error whenever decompositionDecl is ODR
used.

diff --git a/clang/lib/ASTMatchers/ASTMatchersInternal.cpp b/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
index 6b17bd0..4e4e43b 100644 (file)
--- a/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
+++ b/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
@@ -710,6 +710,7 @@ const internal::VariadicDynCastAllOfMatcher<Decl, TypeAliasDecl> typeAliasDecl;
 const internal::VariadicDynCastAllOfMatcher<Decl, TypeAliasTemplateDecl>
     typeAliasTemplateDecl;
 const internal::VariadicAllOfMatcher<Decl> decl;
+const internal::VariadicAllOfMatcher<DecompositionDecl> decompositionDecl;
 const internal::VariadicDynCastAllOfMatcher<Decl, LinkageSpecDecl>
     linkageSpecDecl;
 const internal::VariadicDynCastAllOfMatcher<Decl, NamedDecl> namedDecl;