1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/char_comparison_1.f b/gcc/testsuite/gfortran.dg/char_comparison_1.f
new file mode 100644
index 000000000..02f69e076
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/char_comparison_1.f
@@ -0,0 +1,28 @@
+C { dg-do run }
+C { dg-options "-std=legacy" }
+C
+C     PR 30525 - comparisons with padded spaces were done
+C     signed.
+      program main
+      character*2 c2
+      character*1 c1, c3, c4
+C
+C  Comparison between char(255) and space padding
+C
+      c2 = 'a' // char(255)
+      c1 = 'a'
+      if (.not. (c2 .gt. c1)) call abort
+C
+C  Comparison between char(255) and space
+C
+      c3 = ' '
+      c4 = char(255)
+      if (.not. (c4 .gt. c3)) call abort
+
+C
+C  Check constant folding
+C
+      if (.not. ('a' // char(255) .gt. 'a')) call abort
+
+      if (.not. (char(255) .gt. 'a')) call abort
+      end