4eb66f7462
The expression allocating the memory wasn't valid in the first place. This matches the diagnostic behavior of the current interpreter.
30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
// RUN: %clang_cc1 -verify=both,expected -std=c++11 -triple x86_64-linux -pedantic %s -fexperimental-new-constant-interpreter
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// RUN: %clang_cc1 -verify=both,ref -std=c++11 -triple x86_64-linux -pedantic %s
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struct T { int n; };
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const T t = { 42 }; // both-note 2{{declared here}}
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struct S {
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int m : t.n; // both-warning {{width of bit-field 'm' (42 bits)}} \
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// both-warning {{expression is not an integral constant expression}} \
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// both-note {{read of non-constexpr variable 't' is not allowed}}
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};
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static_assert(t.n == 42, ""); // both-error {{expression is not an integral constant expression}} \
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// both-note {{read of non-constexpr variable 't' is not allowed}}
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namespace DynamicCast {
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struct S { int n; };
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constexpr S s { 16 };
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struct T {
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int n : dynamic_cast<const S*>(&s)->n; // both-warning {{constant expression}} \
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// both-note {{dynamic_cast}}
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};
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}
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namespace NewDelete {
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struct T {
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int n : *new int(4); // both-warning {{constant expression}} \
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// both-note {{until C++20}}
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};
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}
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