Fix up lldb after clang r360311.

Patch by Tyker!

Differential Revision: https://reviews.llvm.org/D60934

llvm-svn: 360312

lldb/source/Symbol/ClangASTContext.cpp

@@ -8173,6 +8173,10 @@ clang::CXXMethodDecl *ClangASTContext::AddMethodToCXXRecordType(
   if (is_artificial)
     return nullptr; // skip everything artificial
 
+  const clang::ExplicitSpecifier explicit_spec(
+      nullptr /*expr*/, is_explicit
+                            ? clang::ExplicitSpecKind::ResolvedTrue
+                            : clang::ExplicitSpecKind::ResolvedFalse);
   if (name[0] == '~') {
     cxx_dtor_decl = clang::CXXDestructorDecl::Create(
         *getASTContext(), cxx_record_decl, clang::SourceLocation(),
@@ -8191,7 +8195,7 @@ clang::CXXMethodDecl *ClangASTContext::AddMethodToCXXRecordType(
             clang::SourceLocation()),
         method_qual_type,
         nullptr, // TypeSourceInfo *
-        is_explicit, is_inline, is_artificial, false /*is_constexpr*/);
+        explicit_spec, is_inline, is_artificial, false /*is_constexpr*/);
     cxx_method_decl = cxx_ctor_decl;
   } else {
     clang::StorageClass SC = is_static ? clang::SC_Static : clang::SC_None;
@@ -8226,7 +8230,7 @@ clang::CXXMethodDecl *ClangASTContext::AddMethodToCXXRecordType(
                 clang::SourceLocation()),
             method_qual_type,
             nullptr, // TypeSourceInfo *
-            is_inline, is_explicit, false /*is_constexpr*/,
+            is_inline, explicit_spec, false /*is_constexpr*/,
             clang::SourceLocation());
       }
     }