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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/105234] [12 Regression] inlining failed in call to
 'always_inline' 'memset': target specific option mismatch since
 r12-5920-g01ad8c54fdca1d
Date: Tue, 12 Apr 2022 10:49:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105234

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Martin Li=C5=A1ka from comment #4)
> Reduced test-case:

Slightly less reduced, avoiding the warnings about invalid/deprecated featu=
res:


namespace std {
typedef char string;
class runtime_error {
public:
  runtime_error(string);
};
} // namespace std
#pragma GCC push_options
namespace fmt {
namespace {
__attribute__((always_inline)) inline auto format() -> std::string { return=
 {};
}
#pragma GCC pop_options
} // namespace
} // namespace fmt
namespace core {
class ErrorBase : std::runtime_error {
  using runtime_error::runtime_error;
};
class Error : ErrorBase {
public:
  template <typename... T> Error(T &&...);
};
template <typename... T> Error::Error(T &&...) : ErrorBase(fmt::format()) {}
} // namespace core
void commit() { core::Error(); }=