third_party/llvm-project/clang/test/CodeGen/vla-2.c

// RUN: %clang_cc1 -std=gnu99 %s -emit-llvm -o - | FileCheck %s
// CHECK: alloca {{.*}}, align 16

extern void bar(int[]);

void foo(int a)
{
  int var[a] __attribute__((__aligned__(16)));
  bar(var);
  return;
}