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543e5f5842
We were passing the address of a local variable to a call to Diag() which then tried to use the object after its lifetime ended, resulting in crashes. We no longer pass the temporary object any longer. Fixes #26612
41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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typedef double * __attribute__((align_value(64))) aligned_double;
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void foo(aligned_double x, double * y __attribute__((align_value(32))),
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double & z __attribute__((align_value(128)))) { };
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template <typename T, int Q>
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struct x {
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typedef T* aligned_int __attribute__((align_value(32+8*Q)));
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aligned_int V;
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void foo(aligned_int a, T &b __attribute__((align_value(sizeof(T)*4))));
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};
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x<float, 4> y;
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template <typename T, int Q>
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struct nope {
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// expected-error@+1 {{requested alignment is not a power of 2}}
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void foo(T &b __attribute__((align_value(sizeof(T)+1))));
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};
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// expected-note@+1 {{in instantiation of template class 'nope<long double, 4>' requested here}}
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nope<long double, 4> y2;
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namespace GH26612 {
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// This used to crash while issuing the diagnostic about only applying to a
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// pointer or reference type.
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// FIXME: it would be ideal to only diagnose once rather than twice. We get one
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// diagnostic from explicit template arguments and another one for deduced
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// template arguments, which seems silly.
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template <class T>
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void f(T __attribute__((align_value(4))) x) {} // expected-warning 2 {{'align_value' attribute only applies to a pointer or reference ('int' is invalid)}}
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void foo() {
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f<int>(0); // expected-note {{while substituting explicitly-specified template arguments into function template 'f'}} \
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expected-note {{while substituting deduced template arguments into function template 'f' [with T = int]}}
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}
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} // namespace GH26612
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