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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wimplicit-fallthrough-per-function %s
int fallthrough(int n) {
switch (n / 10) {
case 0:
n += 100;
case 1: // expected-warning{{unannotated fall-through}} expected-note{{insert '[[clang::fallthrough]];' to silence this warning}} expected-note{{insert 'break;' to avoid fall-through}}
switch (n) {
case 111:
n += 111;
[[clang::fallthrough]];
case 112:
n += 112;
case 113: // expected-warning{{unannotated fall-through}} expected-note{{insert '[[clang::fallthrough]];' to silence this warning}} expected-note{{insert 'break;' to avoid fall-through}}
n += 113;
break ;
}
}
return n;
}
int fallthrough2(int n) {
switch (n / 10) {
case 0:
n += 100;
case 1: // no warning, as we didn't "opt-in" for it in this method
switch (n) {
case 111:
n += 111;
case 112: // no warning, as we didn't "opt-in" for it in this method
n += 112;
case 113: // no warning, as we didn't "opt-in" for it in this method
n += 113;
break ;
}
}
return n;
}
void unscoped(int n) {
switch (n % 2) {
case 0:
// FIXME: This should be typo-corrected, probably.
[[fallthrough]]; // expected-warning{{unknown attribute 'fallthrough' ignored}}
case 2: // expected-warning{{unannotated fall-through}} expected-note{{clang::fallthrough}} expected-note{{break;}}
[[clang::fallthrough]];
case 1:
break;
}
}
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