1; PR48055. Check that this does not crash. 2; RUN: opt -passes=globalopt %s -disable-output 3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6%struct.g = type opaque 7%struct.a = type { ptr } 8 9@l = dso_local global i32 0, align 4 10@h = external dso_local global %struct.g, align 1 11@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_bug48055.cc, ptr null }] 12 13; Function Attrs: uwtable 14define internal void @__cxx_global_var_init() { 15entry: 16 %vtable = load ptr, ptr @h, align 1 17 %0 = load ptr, ptr %vtable, align 8 18 %call = call i32 %0(ptr nonnull dereferenceable(8) @h) 19 store i32 %call, ptr @l, align 4 20 ret void 21} 22 23; Function Attrs: uwtable 24define internal void @_GLOBAL__sub_I_bug48055.cc() { 25entry: 26 call void @__cxx_global_var_init() 27 ret void 28} 29 30