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1// RUN: rm -rf %t2// RUN: mkdir -p %t3// RUN: split-file %s %t4//5// RUN: %clang_cc1 -std=c++20 %t/mod1.cppm -emit-module-interface -o %t/mod1.pcm6// RUN: %clang_cc1 -std=c++20 %t/mod2.cppm -fmodule-file=mod1=%t/mod1.pcm \7// RUN: -fsyntax-only -verify8//9// RUN: %clang_cc1 -std=c++20 %t/mod3.cppm -emit-module-interface -o %t/mod3.pcm10// RUN: %clang_cc1 -std=c++20 %t/mod4.cppm -fmodule-file=mod3=%t/mod3.pcm \11// RUN: -fsyntax-only -verify12 13// Testing the behavior of `-fskip-odr-check-in-gmf`14// RUN: %clang_cc1 -std=c++20 %t/mod3.cppm -fskip-odr-check-in-gmf \15// RUN: -emit-module-interface -o %t/mod3.pcm16// RUN: %clang_cc1 -std=c++20 %t/mod4.cppm -fmodule-file=mod3=%t/mod3.pcm \17// RUN: -fskip-odr-check-in-gmf -DSKIP_ODR_CHECK_IN_GMF -fsyntax-only -verify18 19//--- size_t.h20 21extern "C" {22 typedef unsigned int size_t;23}24 25//--- csize_t26namespace std {27 using :: size_t;28}29 30//--- align.h31namespace std {32 enum class align_val_t : size_t {};33}34 35//--- mod1.cppm36module;37#include "size_t.h"38#include "align.h"39export module mod1;40export using std::align_val_t;41 42//--- mod2.cppm43// expected-no-diagnostics44module;45#include "size_t.h"46#include "csize_t"47#include "align.h"48export module mod2;49import mod1;50export using std::align_val_t;51 52//--- signed_size_t.h53// Test that we can still find the case if the underlying type is different54extern "C" {55 typedef signed int size_t;56}57 58//--- mod3.cppm59module;60#include "size_t.h"61#include "align.h"62export module mod3;63export using std::align_val_t;64 65//--- mod4.cppm66module;67#include "signed_size_t.h"68#include "csize_t"69#include "align.h"70export module mod4;71import mod3;72export using std::align_val_t;73 74#ifdef SKIP_ODR_CHECK_IN_GMF75// expected-no-diagnostics76#else77// expected-error@align.h:* {{'std::align_val_t' has different definitions in different modules; defined here first difference is enum with specified type 'size_t' (aka 'int')}}78// expected-note@align.h:* {{but in 'mod3.<global>' found enum with specified type 'size_t' (aka 'unsigned int')}}79#endif80