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path: root/tests/codegen-llvm/char-escape-debug-no-bounds-check.rs
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Diffstat (limited to 'tests/codegen-llvm/char-escape-debug-no-bounds-check.rs')
-rw-r--r--tests/codegen-llvm/char-escape-debug-no-bounds-check.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/codegen-llvm/char-escape-debug-no-bounds-check.rs b/tests/codegen-llvm/char-escape-debug-no-bounds-check.rs
new file mode 100644
index 00000000000..cfde46045e5
--- /dev/null
+++ b/tests/codegen-llvm/char-escape-debug-no-bounds-check.rs
@@ -0,0 +1,14 @@
+//@ compile-flags: -Copt-level=3
+#![crate_type = "lib"]
+
+use std::char::EscapeDebug;
+
+// Make sure no bounds checks are emitted when escaping a character.
+
+// CHECK-LABEL: @char_escape_debug_no_bounds_check
+#[no_mangle]
+pub fn char_escape_debug_no_bounds_check(c: char) -> EscapeDebug {
+    // CHECK-NOT: panic
+    // CHECK-NOT: panic_bounds_check
+    c.escape_debug()
+}