================
@@ -0,0 +1,147 @@
+// RUN: %clang_cc1 -std=c2y -verify -fsyntax-only -fblocks %s
+// RUN: %clang_cc1 -std=c23 -verify -fsyntax-only -fblocks -fnamed-loops %s
+// RUN: %clang_cc1 -x c++ -verify -fsyntax-only -fblocks -fnamed-loops %s
+
+void f1() {
+ l1: while (true) {
+ break l1;
+ continue l1;
+ }
+
+ l2: for (;;) {
+ break l2;
+ continue l2;
+ }
+
+ l3: do {
+ break l3;
+ continue l3;
+ } while (true);
+
+ l4: switch (1) {
+ case 1:
+ break l4;
+ }
+}
+
+void f2() {
+ l1:;
+ break l1; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue l1; // expected-error {{'continue' label does not name an enclosing
loop}}
+
+ l2: while (true) {
+ break l1; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ continue l1; // expected-error {{'continue' label does not name an
enclosing loop}}
+ }
+
+ while (true) {
+ break l2; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ continue l2; // expected-error {{'continue' label does not name an
enclosing loop}}
+ }
+
+ break l3; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue l3; // expected-error {{'continue' label does not name an enclosing
loop}}
+ l3: while (true) {}
+}
+
+void f3() {
+ a: b: c: d: while (true) {
+ break a;
+ break b;
+ break c;
+ break d;
+
+ continue a;
+ continue b;
+ continue c;
+ continue d;
+
+ e: while (true) {
+ break a;
+ break b;
+ break c;
+ break d;
+ break e;
+
+ continue a;
+ continue b;
+ continue c;
+ continue d;
+ continue e;
+ }
+
+ break e; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue e; // expected-error {{'continue' label does not name an
enclosing loop}}
+ }
+}
+
+void f4() {
+ a: switch (1) {
+ case 1: {
+ continue a; // expected-error {{label of 'continue' refers to a switch
statement}}
+ }
+ }
+}
+
+void f5() {
+ a: {
+ break a; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ }
+
+ b: {
+ while (true)
+ break b; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ }
+}
+
+void f6() {
+ a: while (({
+ break a; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue a; // expected-error {{'continue' label does not name an
enclosing loop}}
+ 1;
+ })) {}
+
+ b: for (
+ int x = ({
+ break b; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ continue b; // expected-error {{'continue' label does not name an
enclosing loop}}
+ 1;
+ });
+ ({
+ break b; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ continue b; // expected-error {{'continue' label does not name an
enclosing loop}}
+ 1;
+ });
+ (void) ({
+ break b; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ continue b; // expected-error {{'continue' label does not name an
enclosing loop}}
+ 1;
+ })
+ ) {}
+
+ c: do {} while (({
+ break c; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue c; // expected-error {{'continue' label does not name an
enclosing loop}}
+ 1;
+ }));
+
+ d: switch (({
+ break d; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue d; // expected-error {{'continue' label does not name an
enclosing loop}}
+ 1;
+ })) { case 1:; }
+}
+
+void f7() {
+ a: b: while (true) {
+ (void) ^{
+ break a; // expected-error {{'break' label does not name an enclosing
loop or 'switch'}}
+ continue b; // expected-error {{'continue' label does not name an
enclosing loop}}
+ };
+ }
+
+ while (true) {
+ break c; // expected-error {{'break' label does not name an enclosing loop
or 'switch'}}
+ continue d; // expected-error {{'continue' label does not name an
enclosing loop}}
+ }
+}
----------------
AaronBallman wrote:
We should also have some tests like:
```
name:
while (true) {
({break name;});
({continue name;});
}
```
https://github.com/llvm/llvm-project/pull/152870
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