RISC-V: Add test for PR112469

As PR: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112469

which has been fixed by Richard patch:
https://gcc.gnu.org/pipermail/gcc-patches/2023-November/635994.html

Add tests to avoid regression. Committed.

	PR target/112469

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/autovec/pr112469.c: New test.

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr112469.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr112469.c
new file mode 100644 (file)
index 0000000..e647028
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr112469.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */
+
+int a, b, c;
+static int *d = &a;
+int e(int f) { return f == 0 ?: f; }
+int g() {
+  a = 1;
+  for (; a <= 8; a++) {
+    b = e(*d);
+    c = -b;
+  }
+}