b8c414ccd1
function-style cast to a non-dependent type which is then used in an invalid way. We'd lose the "type dependent" bit here, and downstream Sema processing would then discard the expression if it was used in a context where its type rendered it invalid. llvm-svn: 274267
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
// RUN: %clang_cc1 -std=c++1z -verify %s -Wno-vexing-parse
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int g, h;
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typedef int T;
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int f() {
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// init-statement declarations
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if (T n = 0; n != 0) {} // expected-error {{not yet supported}}
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if (T f(); f()) {} // expected-error {{not yet supported}}
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if (T(f()); f()) {} // expected-error {{not yet supported}}
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if (T(f()), g, h; f()) {} // expected-error {{not yet supported}}
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if (T f(); f()) {} // expected-error {{not yet supported}}
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if (T f(), g, h; f()) {} // expected-error {{not yet supported}}
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if (T(n) = 0; n) {} // expected-error {{not yet supported}}
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// init-statement expressions
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if (T{f()}; f()) {} // expected-error {{not yet supported}}
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if (T{f()}, g, h; f()) {} // expected-error {{not yet supported}} expected-warning 2{{unused}}
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if (T(f()), g, h + 1; f()) {} // expected-error {{not yet supported}} expected-warning 2{{unused}}
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// condition declarations
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if (T(n){g}) {}
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if (T f()) {} // expected-error {{function type}}
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if (T f(), g, h) {} // expected-error {{function type}}
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if (T(n) = 0) {}
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// condition expressions
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if (T(f())) {}
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if (T{f()}) {}
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if (T(f()), g, h) {} // expected-warning 2{{unused}}
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if (T{f()}, g, h) {} // expected-warning 2{{unused}}
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// none of the above, disambiguated as expression (can't be a declaration)
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if (T(n)(g)) {} // expected-error {{undeclared identifier 'n'}}
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if (T(n)(int())) {} // expected-error {{undeclared identifier 'n'}}
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// Likewise for 'switch'
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switch (int n; n) {} // expected-error {{not yet supported}}
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switch (g; int g = 5) {} // expected-error {{not yet supported}}
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if (int a, b; int c = a) { // expected-error {{not yet supported}} expected-note 6{{previous}}
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int a; // expected-error {{redefinition}}
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int b; // expected-error {{redefinition}}
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int c; // expected-error {{redefinition}}
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} else {
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int a; // expected-error {{redefinition}}
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int b; // expected-error {{redefinition}}
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int c; // expected-error {{redefinition}}
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}
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}
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