[SH] PR 40797 testcase

[Oleg Endo]

Hi,

This adds the reduced test case from the PR to the test suite.
Tested with

make -k check-gcc RUNTESTFLAGS="compile.exp=pr40797*
--target_board=sh-sim
\{-m2/-ml,-m2/-mb,-m2a/-mb,-m4/-ml,-m4/-mb,-m4a/-ml,-m4a/-mb}"

OK for trunk?

Cheers,
Oleg

testsuite/ChangeLog:

        PR target/40797
        * gcc.c-torture/compile/pr40797.c: New.

Index: gcc/testsuite/gcc.c-torture/compile/pr40797.c
===================================================================
--- gcc/testsuite/gcc.c-torture/compile/pr40797.c	(revision 0)
+++ gcc/testsuite/gcc.c-torture/compile/pr40797.c	(revision 0)
@@ -0,0 +1,16 @@
+typedef struct str { short x, y;} S;
+
+static short
+bar (short ch, short sl, short sr, short tl, short tr)
+{
+  return 0;
+}
+
+void
+foo (short ch, S *pi, short nc, S *po)
+{
+  short clo, chi, lo, hi;
+
+  po->x = bar (ch, clo, chi, pi[lo].x, pi[hi].x);
+  po->y = bar (ch, clo, chi, pi[lo].y, pi[hi].y);
+}