diff options
Diffstat (limited to 'clang/test/Sema/inline.c')
| -rw-r--r-- | clang/test/Sema/inline.c | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/clang/test/Sema/inline.c b/clang/test/Sema/inline.c index 37dba8c3821..23eedd6b226 100644 --- a/clang/test/Sema/inline.c +++ b/clang/test/Sema/inline.c @@ -1,14 +1,13 @@ // RUN: %clang_cc1 -fsyntax-only -verify %s -// Check that we don't allow illegal uses of inline -inline int a; // expected-error{{'inline' can only appear on functions}} -typedef inline int b; // expected-error{{'inline' can only appear on functions}} -int d(inline int a); // expected-error{{'inline' can only appear on functions}} - +#if defined(INCLUDE) +// ------- +// This section acts like a header file. +// ------- // Check the use of static variables in non-static inline functions. -static int staticVar; // expected-note 2 {{'staticVar' declared here}} -static int staticFunction(); // expected-note 2 {{'staticFunction' declared here}} +static int staticVar; // expected-note + {{'staticVar' declared here}} +static int staticFunction(); // expected-note + {{'staticFunction' declared here}} inline int useStatic () { // expected-note 2 {{use 'static' to give inline function 'useStatic' internal linkage}} staticFunction(); // expected-warning{{function 'staticFunction' has internal linkage but is used in an inline function with external linkage}} @@ -24,3 +23,40 @@ static inline int useStaticFromStatic () { staticFunction(); // no-warning return staticVar; // no-warning } + +#else +// ------- +// This is the main source file. +// ------- + +#define INCLUDE +#include "inline.c" + +// Check that we don't allow illegal uses of inline +inline int a; // expected-error{{'inline' can only appear on functions}} +typedef inline int b; // expected-error{{'inline' can only appear on functions}} +int d(inline int a); // expected-error{{'inline' can only appear on functions}} + +// Check that the warnings from the "header file" aren't on by default in +// the main source file. + +inline int useStaticMain () { + staticFunction(); // no-warning + return staticVar; // no-warning +} + +// Check that the warnings show up when explicitly requested. + +#pragma clang diagnostic push +#pragma clang diagnostic warning "-Winternal-linkage-in-inline" + +inline int useStaticAgain () { // expected-note 2 {{use 'static' to give inline function 'useStaticAgain' internal linkage}} + staticFunction(); // expected-warning{{function 'staticFunction' has internal linkage but is used in an inline function with external linkage}} + return staticVar; // expected-warning{{variable 'staticVar' has internal linkage but is used in an inline function with external linkage}} +} + +#pragma clang diagnostic pop + +#endif + + |
