forked from OSchip/llvm-project
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// RUN: %clang_cc1 -std=c++2b -verify %s
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namespace PR52206 {
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constexpr auto f() {
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if consteval { return 0; }
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if !consteval { return 0.0; } // expected-error {{'auto' in return type deduced as 'double' here but deduced as 'int' in earlier return statement}}
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}
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constexpr auto g() {
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if !consteval { return 0; }
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if consteval { return 0.0; } // expected-error {{'auto' in return type deduced as 'double' here but deduced as 'int' in earlier return statement}}
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}
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constexpr auto h() {
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if consteval { return 0; }
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if !consteval { return 0; } // okay
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}
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constexpr auto i() {
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if consteval {
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if consteval { // expected-warning {{consteval if is always true in an immediate context}}
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return 1;
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}
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return 2;
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} else {
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return 1.0; // expected-error {{'auto' in return type deduced as 'double' here but deduced as 'int' in earlier return statement}}
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}
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}
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void test() {
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auto x1 = f();
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constexpr auto y1 = f();
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auto x2 = g();
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constexpr auto y2 = g();
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auto x3 = h();
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constexpr auto y3 = h();
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auto x4 = i();
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constexpr auto y4 = i();
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}
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} // namespace PR52206
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consteval int *make() { return new int; }
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auto f() {
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if constexpr (false) {
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if consteval {
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// Immediate function context, so call to `make()` is valid.
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// Discarded statement context, so `return 0;` is valid too.
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delete make();
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return 0;
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}
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}
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return 0.0;
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}
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