llvm/clang/test/SemaCXX/large-array-init.cpp

// RUN: %clang_cc1 -S -o %t.ll -mllvm -debug-only=exprconstant %s 2>&1 | \
// RUN:     FileCheck %s
// REQUIRES: asserts

struct S { int i; };

static struct S arr[100000000] = {{ 0 }};
// CHECK: The number of elements to initialize: 1.

struct S *foo() { return arr; }