diff options
-rw-r--r-- | clang/lib/Sema/SemaDeclCXX.cpp | 7 | ||||
-rw-r--r-- | clang/test/CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p4.cpp | 28 |
2 files changed, 34 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp index 3e2306361cd..313552e23bc 100644 --- a/clang/lib/Sema/SemaDeclCXX.cpp +++ b/clang/lib/Sema/SemaDeclCXX.cpp @@ -638,7 +638,12 @@ bool Sema::MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old, Diag(Old->getLocation(), diag::note_previous_declaration); Invalid = true; } else if (!Old->getMostRecentDecl()->isInlined() && New->isInlined() && - Old->isDefined(Def)) { + Old->isDefined(Def) && + // If a friend function is inlined but does not have 'inline' + // specifier, it is a definition. Do not report attribute conflict + // in this case, redefinition will be diagnosed later. + (New->isInlineSpecified() || + New->getFriendObjectKind() == Decl::FOK_None)) { // C++11 [dcl.fcn.spec]p4: // If the definition of a function appears in a translation unit before its // first declaration as inline, the program is ill-formed. diff --git a/clang/test/CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p4.cpp b/clang/test/CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p4.cpp index 12237a39ab5..6e150ce5a55 100644 --- a/clang/test/CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p4.cpp +++ b/clang/test/CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p4.cpp @@ -4,3 +4,31 @@ void f0() { // expected-note {{previous definition is here}} } inline void f0(); // expected-error {{inline declaration of 'f0' follows non-inline definition}} + +void func_01() {} // expected-note{{previous definition is here}} +struct C01 { + friend void func_01() {} // expected-error{{redefinition of 'func_01'}} +}; + +void func_02() {} // expected-note{{previous definition is here}} +struct C02 { + friend inline void func_02(); // expected-error{{inline declaration of 'func_02' follows non-inline definition}} +}; + +void func_03() {} // expected-note{{previous definition is here}} +struct C03 { + friend inline void func_03() {} // expected-error{{inline declaration of 'func_03' follows non-inline definition}} +}; + +void func_04() {} // expected-note{{previous definition is here}} +inline void func_04() {} // expected-error{{inline declaration of 'func_04' follows non-inline definition}} + +void func_06() {} // expected-note{{previous definition is here}} +template<typename T> struct C06 { + friend inline void func_06() {} // expected-error{{inline declaration of 'func_06' follows non-inline definition}} +}; + +void func_07() {} // expected-note{{previous definition is here}} +template<typename T> struct C07 { + friend inline void func_07(); // expected-error{{inline declaration of 'func_07' follows non-inline definition}} +}; |