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1// RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wenum-conversion -verify %s2// RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -Wconversion -verify %s3 4// Signed enums5enum SE1 { N1 = -1 };6enum SE2 { N2 = -2 };7// Unsigned unums8enum UE1 { P1 };9enum UE2 { P2 };10 11enum UE2 f1(enum UE1 E) {12 return E; // expected-warning {{implicit conversion from enumeration type 'enum UE1' to different enumeration type 'enum UE2'}}13}14 15enum SE1 f2(enum UE1 E) {16 return E; // expected-warning {{implicit conversion from enumeration type 'enum UE1' to different enumeration type 'enum SE1'}}17}18 19enum UE1 f3(enum SE1 E) {20 return E; // expected-warning {{implicit conversion from enumeration type 'enum SE1' to different enumeration type 'enum UE1'}}21}22 23enum SE2 f4(enum SE1 E) {24 return E; // expected-warning {{implicit conversion from enumeration type 'enum SE1' to different enumeration type 'enum SE2'}}25}26