| // RUN: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF |
| // RUN: %clang_cc1 -fsyntax-only -verify %s -DALL -Wgnu |
| // RUN: %clang_cc1 -fsyntax-only -verify %s -DALL \ |
| // RUN: -Wgnu-alignof-expression -Wgnu-case-range -Wgnu-complex-integer -Wgnu-conditional-omitted-operand \ |
| // RUN: -Wgnu-empty-initializer -Wgnu-label-as-value -Wgnu-statement-expression |
| // RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE -Wgnu \ |
| // RUN: -Wno-gnu-alignof-expression -Wno-gnu-case-range -Wno-gnu-complex-integer -Wno-gnu-conditional-omitted-operand \ |
| // RUN: -Wno-gnu-empty-initializer -Wno-gnu-label-as-value -Wno-gnu-statement-expression |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -Wgnu-alignof-expression |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DNONE -Wno-gnu-alignof-expression |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -DCASERANGE -Wgnu-case-range |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -DCOMPLEXINT -Wgnu-complex-integer |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -DOMITTEDOPERAND -Wgnu-conditional-omitted-operand |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -DEMPTYINIT -Wgnu-empty-initializer |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -DLABELVALUE -Wgnu-label-as-value |
| // RUNNOT: %clang_cc1 -fsyntax-only -verify %s -DALIGNOF -DSTATEMENTEXP -Wgnu-statement-expression |
| |
| #if NONE |
| // expected-no-diagnostics |
| #endif |
| |
| |
| #if ALL || ALIGNOF |
| // expected-warning@+4 {{'_Alignof' applied to an expression is a GNU extension}} |
| #endif |
| |
| char align; |
| _Static_assert(_Alignof(align) > 0, "align's alignment is wrong"); |
| |
| |
| #if ALL || CASERANGE |
| // expected-warning@+5 {{use of GNU case range extension}} |
| #endif |
| |
| void caserange(int x) { |
| switch (x) { |
| case 42 ... 44: ; |
| } |
| } |
| |
| |
| #if ALL || COMPLEXINT |
| // expected-warning@+3 {{complex integer types are a GNU extension}} |
| #endif |
| |
| _Complex short int complexint; |
| |
| |
| #if ALL || OMITTEDOPERAND |
| // expected-warning@+3 {{use of GNU ?: conditional expression extension, omitting middle operand}} |
| #endif |
| |
| static const char* omittedoperand = (const char*)0 ?: "Null"; |
| |
| |
| #if ALL || EMPTYINIT |
| // expected-warning@+3 {{use of GNU empty initializer extension}} |
| #endif |
| |
| struct { int x; } emptyinit = {}; |
| |
| |
| #if ALL || LABELVALUE |
| // expected-warning@+6 {{use of GNU address-of-label extension}} |
| // expected-warning@+7 {{use of GNU indirect-goto extension}} |
| #endif |
| |
| void labelvalue() { |
| void *ptr; |
| ptr = &&foo; |
| foo: |
| goto *ptr; |
| } |
| |
| #if ALL || STATEMENTEXP |
| // expected-warning@+5 {{use of GNU statement expression extension}} |
| #endif |
| |
| void statementexp() |
| { |
| int a = ({ 1; }); |
| } |