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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/consts/const-fn-not-safe-for-const.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/const-fn-not-safe-for-const.rs')
-rw-r--r--tests/ui/consts/const-fn-not-safe-for-const.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/consts/const-fn-not-safe-for-const.rs b/tests/ui/consts/const-fn-not-safe-for-const.rs
new file mode 100644
index 000000000..b2fe73ae9
--- /dev/null
+++ b/tests/ui/consts/const-fn-not-safe-for-const.rs
@@ -0,0 +1,35 @@
+// Test that we can't call random fns in a const fn or do other bad things.
+
+use std::mem::transmute;
+
+fn random() -> u32 {
+ 0
+}
+
+const fn sub(x: &u32) -> usize {
+ unsafe { transmute(x) }
+}
+
+const fn sub1() -> u32 {
+ random() //~ ERROR E0015
+}
+
+static Y: u32 = 0;
+
+const fn get_Y() -> u32 {
+ Y
+ //~^ ERROR E0013
+}
+
+const fn get_Y_addr() -> &'static u32 {
+ &Y
+ //~^ ERROR E0013
+}
+
+const fn get() -> u32 {
+ let x = 22;
+ let y = 44;
+ x + y
+}
+
+fn main() {}