stmt-expr.cpp
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// RUN: %clang_cc1 -verify %s
// FIXME: We could in principle support cases like this (particularly, cases
// where the statement-expression contains no labels).
template <typename... T> void f1() {
int arr[] = {
({
T(); // expected-error {{unexpanded parameter pack}}
}) ... // expected-error {{does not contain any unexpanded parameter packs}}
};
}
// FIXME: The error for this isn't ideal; it'd be preferable to say that pack
// expansion of a statement expression is not permitted.
template <typename... T> void f2() {
[] {
int arr[] = {
T() + ({
foo:
T t; // expected-error {{unexpanded parameter pack}}
goto foo;
0;
}) ...
};
};
}
template <typename... T> void f3() {
({
int arr[] = {
[] {
foo:
T t; // OK, expanded within compound statement
goto foo;
return 0;
} ...
};
});
}