1 // REQUIRES: x86-registered-target 2 // RUN: %clang_cc1 %s -fwarn-stack-size=0 -emit-codegen-only -triple=i386-apple-darwin 2>&1 | FileCheck %s 3 4 // TODO: Emit rich diagnostics for thunks and move this into the appropriate test file. 5 // Until then, test that we fall back and display the LLVM backend diagnostic. 6 namespace frameSizeThunkWarning { 7 struct A { 8 virtual void f(); 9 }; 10 11 struct B : virtual A { 12 virtual void f(); 13 }; 14 15 // CHECK: warning: stack frame size ([[#]]) exceeds limit ([[#]]) in 'frameSizeThunkWarning::B::f()' 16 // CHECK: warning: <unknown>:0:0: stack frame size ([[#]]) exceeds limit ([[#]]) in function '_ZTv0_n12_N21frameSizeThunkWarning1B1fEv' f()17 void B::f() { 18 volatile int x = 0; // Ensure there is stack usage. 19 } 20 } 21