gcc/testsuite/gcc.target/i386/pr80019.c

/* PR target/80019 */
/* { dg-do compile } */
/* { dg-options "-O2 -mxop -mavx2" } */

typedef char v16qi __attribute__ ((vector_size (16)));

extern v16qi b, c;

void
foo (int e)
{
  b = c << e;
}