c2fea4cf38
We support '_Alignas' from C11 as an extension in C++. However, we were not correctly parsing its use in local variable declarations. This patch addresses that issue.
26 lines
952 B
C++
26 lines
952 B
C++
// RUN: %clang_cc1 %s -fsyntax-only -verify=expected,cpp
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// RUN: %clang_cc1 -x c %s -fsyntax-only -verify=expected,c
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// Ensure that we correctly parse _Alignas as an extension in C++.
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_Alignas(64) int i1;
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_Alignas(long long) int i2;
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int volatile _Alignas(64) i3; // Test strange ordering
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void foo(void) {
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// We previously rejected these valid declarations.
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_Alignas(8) char i4;
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_Alignas(char) char i5;
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(void)(int _Alignas(64))0; // expected-warning {{'_Alignas' attribute ignored when parsing type}}
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// FIXME: C and C++ should both diagnose the same way, as being ignored.
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(void)(_Alignas(64) int)0; // c-error {{expected expression}} \
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cpp-warning {{'_Alignas' attribute ignored when parsing type}}
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}
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struct S {
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_Alignas(int) int i;
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_Alignas(64) int j;
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};
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void bar(_Alignas(8) char c1, char _Alignas(char) c2); // expected-error 2 {{'_Alignas' attribute cannot be applied to a function parameter}}
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