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-rw-r--r--src/test/ui/consts/control-flow/loop.rs89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/test/ui/consts/control-flow/loop.rs b/src/test/ui/consts/control-flow/loop.rs
new file mode 100644
index 000000000..2b8561a26
--- /dev/null
+++ b/src/test/ui/consts/control-flow/loop.rs
@@ -0,0 +1,89 @@
+const _: () = loop { break (); };
+
+static FOO: i32 = loop { break 4; };
+
+const fn foo() {
+ loop {}
+}
+
+pub trait Foo {
+ const BAR: i32 = loop { break 4; };
+}
+
+impl Foo for () {
+ const BAR: i32 = loop { break 4; };
+}
+
+fn non_const_outside() {
+ const fn const_inside() {
+ loop {}
+ }
+}
+
+const fn const_outside() {
+ fn non_const_inside() {
+ loop {}
+ }
+}
+
+fn main() {
+ let x = [0; {
+ while false {}
+ 4
+ }];
+}
+
+const _: i32 = {
+ let mut x = 0;
+
+ while x < 4 {
+ x += 1;
+ }
+
+ while x < 8 {
+ x += 1;
+ }
+
+ x
+};
+
+const _: i32 = {
+ let mut x = 0;
+
+ for i in 0..4 { //~ ERROR `for` is not allowed in a `const`
+ x += i;
+ }
+
+ for i in 0..4 { //~ ERROR `for` is not allowed in a `const`
+ x += i;
+ }
+
+ x
+};
+
+const _: i32 = {
+ let mut x = 0;
+
+ loop {
+ x += 1;
+ if x == 4 {
+ break;
+ }
+ }
+
+ loop {
+ x += 1;
+ if x == 8 {
+ break;
+ }
+ }
+
+ x
+};
+
+const _: i32 = {
+ let mut x = 0;
+ while let None = Some(x) { }
+ while let None = Some(x) { }
+ x
+};