1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/namelist_42.f90 b/gcc/testsuite/gfortran.dg/namelist_42.f90
new file mode 100644
index 000000000..f15914ff1
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/namelist_42.f90
@@ -0,0 +1,48 @@
+! { dg-do run { target fd_truncate } }
+! { dg-add-options ieee }
+! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } }
+!
+! PR fortran/34427
+!
+! Check that namelists and the real values Inf, NaN, Infinity
+! properly coexist.
+!
+ PROGRAM TEST
+  IMPLICIT NONE
+  real , DIMENSION(11) ::foo 
+  integer :: infinity
+  NAMELIST /nl/ foo
+  NAMELIST /nl/ infinity
+  foo = -1.0
+  infinity = -1
+
+  open (10, status="scratch")
+! Works:
+  write (10,*) " &nl foo = 5, 5, 5, nan, infinity, infinity "
+  write (10,*)
+  write (10,*) "      = 1, /"
+  rewind (10)
+  READ (10, NML = nl)
+  close (10)
+
+  if(infinity /= 1) call abort()
+  if(any(foo(1:3) /= [5.0, 5.0, 5.0]) .or. .not.isnan(foo(4)) &
+     .or. foo(5) <= huge(foo) .or. any(foo(6:11) /= -1.0)) &
+    call abort()
+! Works too:
+  foo = -1.0
+  infinity = -1
+
+  open (10, status="scratch")
+  rewind (10)
+  write (10,'(a)') "&nl foo = 5, 5, 5, nan, infinity, infinity"
+  write (10,'(a)') "=1,/"
+  rewind (10)
+  READ (10, NML = nl)
+  CLOSE (10)
+
+  if(infinity /= 1) call abort()
+  if(any(foo(1:3) /= [5.0, 5.0, 5.0]) .or. .not.isnan(foo(4)) &
+     .or. foo(5) <= huge(foo) .or. any(foo(6:11) /= -1.0)) &
+    call abort()
+ END PROGRAM TEST