[coverage] Block coverage with support for IfStatements

src/parsing/parser-base.h

Index: src/parsing/parser-base.h
diff --git a/src/parsing/parser-base.h b/src/parsing/parser-base.h
index 218ca322ab425b7d9fb7ec039a2b5066ae9d7494..e0e20fe31662b6697f1bbaa7a7c665703dccc461 100644
--- a/src/parsing/parser-base.h
+++ b/src/parsing/parser-base.h
@@ -5155,15 +5155,22 @@ typename ParserBase<Impl>::StatementT ParserBase<Impl>::ParseIfStatement(
   Expect(Token::LPAREN, CHECK_OK);
   ExpressionT condition = ParseExpression(true, CHECK_OK);
   Expect(Token::RPAREN, CHECK_OK);
+
+  SourceRange then_range, else_range;
+  then_range.from = peek_position();
   StatementT then_statement = ParseScopedStatement(labels, CHECK_OK);
+  then_range.to = position();
+
   StatementT else_statement = impl()->NullStatement();
   if (Check(Token::ELSE)) {
+    else_range.from = peek_position();
     else_statement = ParseScopedStatement(labels, CHECK_OK);
+    else_range.to = position();
   } else {
     else_statement = factory()->NewEmptyStatement(kNoSourcePosition);
   }
   return factory()->NewIfStatement(condition, then_statement, else_statement,
-                                   pos);
+                                   pos, then_range, else_range);
 }
 
 template <typename Impl>