1fb8d02b1SAlp Toker // REQUIRES: x86-registered-target 2fc018ebbSNick Desaulniers // RUN: %clang_cc1 %s -fwarn-stack-size=0 -emit-codegen-only -triple=i386-apple-darwin 2>&1 | FileCheck %s 3fb8d02b1SAlp Toker 4fb8d02b1SAlp Toker // TODO: Emit rich diagnostics for thunks and move this into the appropriate test file. 5fb8d02b1SAlp Toker // Until then, test that we fall back and display the LLVM backend diagnostic. 6fb8d02b1SAlp Toker namespace frameSizeThunkWarning { 7fb8d02b1SAlp Toker struct A { 8fb8d02b1SAlp Toker virtual void f(); 9fb8d02b1SAlp Toker }; 10fb8d02b1SAlp Toker 11fb8d02b1SAlp Toker struct B : virtual A { 12fb8d02b1SAlp Toker virtual void f(); 13fb8d02b1SAlp Toker }; 14fb8d02b1SAlp Toker 15*25682868SArthur Eubanks // CHECK: warning: stack frame size ([[#]]) exceeds limit ([[#]]) in 'frameSizeThunkWarning::B::f()' 16e4223438SArthur Eubanks // CHECK: warning: stack frame size ([[#]]) exceeds limit ([[#]]) in function '_ZTv0_n12_N21frameSizeThunkWarning1B1fEv' f()1713cf19dfSMatt Arsenault void B::f() { 1813cf19dfSMatt Arsenault volatile int x = 0; // Ensure there is stack usage. 1913cf19dfSMatt Arsenault } 20fb8d02b1SAlp Toker } 21