1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/graphite/pr42186.f90 b/gcc/testsuite/gfortran.dg/graphite/pr42186.f90
new file mode 100644
index 000000000..0e3669bf5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/graphite/pr42186.f90
@@ -0,0 +1,15 @@
+! { dg-options "-fgraphite-identity -g -O3 -ffast-math" }
+MODULE erf_fn
+CONTAINS
+  SUBROUTINE CALERF(ARG,RESULT,JINT)
+    DIMENSION A(5),B(4),C(9),D(8),P(6),Q(5)
+    IF (Y <= THRESH) THEN
+       DO I = 1, 3
+          XNUM = (XNUM + A(I)) * YSQ
+          XDEN = (XDEN + B(I)) * YSQ
+       END DO
+       RESULT = X * (XNUM + A(4)) / (XDEN + B(4))
+    END IF
+  END SUBROUTINE CALERF
+END MODULE erf_fn
+! { dg-final { cleanup-modules "erf_fn" } }