llvm-project/clang/test/Sema/attr-only-in-default-eval.cpp
Zahira Ammarguellat 63b0b82fd6 When float_t and double_t types are used inside a scope with
a '#pragma clang fp eval_method, it can lead to ABI breakage.
See https://godbolt.org/z/56zG4Wo91
This patch prevents this.

Differential Revision: https://reviews.llvm.org/D153590
2023-06-23 15:12:51 -04:00

27 lines
1.5 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
typedef float float_t [[clang::available_only_in_default_eval_method]];
using double_t __attribute__((available_only_in_default_eval_method)) = double;
// expected-error@+1{{'available_only_in_default_eval_method' attribute only applies to typedefs}}
class __attribute__((available_only_in_default_eval_method)) C1 {
};
// expected-error@+1{{'available_only_in_default_eval_method' attribute only applies to typedefs}}
class [[clang::available_only_in_default_eval_method]] C2 {
};
// expected-error@+1{{'available_only_in_default_eval_method' attribute only applies to typedefs}}
struct [[clang::available_only_in_default_eval_method]] S1;
// expected-error@+1{{'available_only_in_default_eval_method' attribute only applies to typedefs}}
struct __attribute__((available_only_in_default_eval_method)) S2;
// expected-error@+1{{'available_only_in_default_eval_method' attribute only applies to typedefs}}
void __attribute__((available_only_in_default_eval_method)) foo();
// expected-error@+1{{'available_only_in_default_eval_method' attribute cannot be applied to types}}
void [[clang::available_only_in_default_eval_method]] goo();
// expected-error@+1{{'available_only_in_default_eval_method' attribute cannot be applied to types}}
void bar() [[clang::available_only_in_default_eval_method]];
// expected-error@+1{{'available_only_in_default_eval_method' attribute only applies to typedefs}}
void barz() __attribute__((available_only_in_default_eval_method));