RISC-V: Add testcase for PR114749.

this adds a test case for PR114749.
Going to commit as obvious unless somebody complains.

Regards
 Robin

gcc/testsuite/ChangeLog:

	PR tree-optimization/114749

	* gcc.target/riscv/rvv/autovec/pr114749.c: New test.

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114749.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114749.c
new file mode 100644 (file)
index 0000000..6733b04
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114749.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv_zvl128b -mabi=lp64d -fwhole-program -O3 -mrvv-vector-bits=zvl" } */
+
+extern int a[];
+extern char b[];
+int c = 24;
+_Bool d[24][24][24];
+_Bool (*e)[24][24] = d;
+int main() {
+  for (short f = 0; f < 24; f += 3)
+    for (unsigned g = 0; g < (char)c; g += 2) {
+      a[f] = 0;
+      b[g] |= ({ e[f][f][f]; });
+    }
+}