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diff --git a/gcc/testsuite/gfortran.dg/fmt_error_4.f90 b/gcc/testsuite/gfortran.dg/fmt_error_4.f90
new file mode 100644
index 00000000000..2310573bd1f
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+++ b/gcc/testsuite/gfortran.dg/fmt_error_4.f90
@@ -0,0 +1,22 @@
+! { dg-do run }
+! { dg-shouldfail "runtime error" }
+
+! PR fortran/29835
+! Check for improved format error messages with correct locus and more detailed
+! "unexpected element" messages.
+
+! Now with runtime supplied format strings
+SUBROUTINE format_runtime (fmtstr)
+  IMPLICIT NONE
+  CHARACTER(len=*) :: fmtstr
+  CHARACTER(len=32), PARAMETER :: str = "hello"
+
+  PRINT fmtstr, str, str, str
+END SUBROUTINE format_runtime
+
+PROGRAM main
+  IMPLICIT NONE
+  CALL format_runtime ('(A, Q, A)')
+END PROGRAM main
+
+! { dg-output "Unexpected element 'Q'.*(\n|\r\n|\r)\\(A, Q, A\\)(\n|\r\n|\r)    \\^" }