diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
--- a/clang/lib/Sema/SemaInit.cpp
+++ b/clang/lib/Sema/SemaInit.cpp
@@ -5593,7 +5593,8 @@
             // C++ [dcl.init]p16.6.2.2
             //   The remaining elements are initialized with their default
             //   member initializers, if any
-            ExprResult DIE = S.BuildCXXDefaultInitExpr(FD->getLocation(), FD);
+            ExprResult DIE = S.BuildCXXDefaultInitExpr(
+                Kind.getParenOrBraceRange().getEnd(), FD);
             if (DIE.isInvalid())
               return;
             S.checkInitializerLifetime(SubEntity, DIE.get());
diff --git a/clang/test/SemaCXX/source_location.cpp b/clang/test/SemaCXX/source_location.cpp
--- a/clang/test/SemaCXX/source_location.cpp
+++ b/clang/test/SemaCXX/source_location.cpp
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -std=c++1z -fcxx-exceptions -fexceptions -verify %s
 // RUN: %clang_cc1 -std=c++2a -fcxx-exceptions -DUSE_CONSTEVAL -fexceptions -verify %s
+// RUN: %clang_cc1 -std=c++2b -fcxx-exceptions -DUSE_CONSTEVAL -DPAREN_INIT -fexceptions -verify %s
 // RUN: %clang_cc1 -std=c++1z -fcxx-exceptions -fms-extensions -DMS -fexceptions -verify %s
 // RUN: %clang_cc1 -std=c++2a -fcxx-exceptions -fms-extensions -DMS -DUSE_CONSTEVAL -fexceptions -verify %s
 // expected-no-diagnostics
@@ -781,3 +782,17 @@
 static_assert(f<int>() != // intentional new line
               f<int>());
 }
+
+#ifdef PAREN_INIT
+namespace GH63903 {
+struct S {
+    int _;
+    int i = SL::current().line();
+    int j = __builtin_LINE();
+};
+// Ensure parent aggregate initialization is consistent with brace
+// aggregate initialization.
+static_assert(S(0).i == S{0}.i);
+static_assert(S(0).j == S{0}.i);
+}
+#endif