Move the computing code into the 'if' block

Author: kuilpd

lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp

@@ -8474,20 +8474,20 @@ bool TypeSystemClang::CompleteTagDeclarationDefinition(
   if (enum_decl->isCompleteDefinition())
     return true;
 
-  clang::ASTContext &ast = lldb_ast->getASTContext();
+  QualType integer_type(enum_decl->getIntegerType());
+  if (!integer_type.isNull()) {
+    clang::ASTContext &ast = lldb_ast->getASTContext();
 
-  unsigned NumNegativeBits = 0;
-  unsigned NumPositiveBits = 0;
-  ast.computeEnumBits(enum_decl->enumerators(), NumNegativeBits,
-                      NumPositiveBits);
+    unsigned NumNegativeBits = 0;
+    unsigned NumPositiveBits = 0;
+    ast.computeEnumBits(enum_decl->enumerators(), NumNegativeBits,
+                        NumPositiveBits);
 
-  clang::QualType BestPromotionType;
-  clang::QualType BestType;
-  ast.computeBestEnumTypes(/*IsPacked=*/false, NumNegativeBits, NumPositiveBits,
-                           BestType, BestPromotionType);
+    clang::QualType BestPromotionType;
+    clang::QualType BestType;
+    ast.computeBestEnumTypes(/*IsPacked=*/false, NumNegativeBits,
+                             NumPositiveBits, BestType, BestPromotionType);
 
-  QualType integer_type(enum_decl->getIntegerType());
-  if (!integer_type.isNull()) {
     enum_decl->completeDefinition(enum_decl->getIntegerType(),
                                   BestPromotionType, NumPositiveBits,
                                   NumNegativeBits);