1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/intrinsic.f90 b/gcc/testsuite/gfortran.dg/intrinsic.f90
new file mode 100644
index 000000000..e3ac35ef5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/intrinsic.f90
@@ -0,0 +1,39 @@
+! { dg-do compile }
+! { dg-options "-c -Wall" }
+!
+! PR fortran/20373
+! cf. also PR fortran/40041
+
+subroutine valid
+  intrinsic :: abs                 ! ok, intrinsic function
+  intrinsic :: cpu_time            ! ok, intrinsic subroutine
+end subroutine
+
+subroutine warnings
+  ! the follow three are ok in general, but ANY 
+  ! type is ignored, even the correct one
+  real, intrinsic :: sin           ! { dg-warning "is ignored" }
+
+  real :: asin                     ! { dg-warning "is ignored" }
+  intrinsic :: asin
+
+  intrinsic :: tan                 ! { dg-warning "is ignored" }
+  real :: tan
+
+  ! wrong types here
+  integer, intrinsic :: cos        ! { dg-warning "is ignored" }
+
+  integer :: acos                  ! { dg-warning "is ignored" }
+  intrinsic :: acos
+
+  ! ordering shall not matter
+  intrinsic :: atan                ! { dg-warning "is ignored" }
+  integer :: atan
+end subroutine
+
+subroutine errors
+  intrinsic :: foo                 ! { dg-error "does not exist" }
+  real, intrinsic :: bar           ! { dg-error "does not exist" }
+
+  real, intrinsic :: mvbits        ! { dg-error "shall not have a type" }
+end subroutine