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-rw-r--r--src/test/ui/asm/issue-51431.rs10
-rw-r--r--src/test/ui/asm/issue-51431.stderr8
2 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/asm/issue-51431.rs b/src/test/ui/asm/issue-51431.rs
new file mode 100644
index 00000000000..d29c31fafc2
--- /dev/null
+++ b/src/test/ui/asm/issue-51431.rs
@@ -0,0 +1,10 @@
+// ignore-emscripten no asm! support
+
+#![feature(asm)]
+
+fn main() {
+    unsafe {
+        asm! {"mov $0,$1"::"0"("bx"),"1"(0x00)}
+        //~^ ERROR: invalid value for constraint in inline assembly
+    }
+}
diff --git a/src/test/ui/asm/issue-51431.stderr b/src/test/ui/asm/issue-51431.stderr
new file mode 100644
index 00000000000..132eea126d6
--- /dev/null
+++ b/src/test/ui/asm/issue-51431.stderr
@@ -0,0 +1,8 @@
+error[E0669]: invalid value for constraint in inline assembly
+  --> $DIR/issue-51431.rs:7:32
+   |
+LL |         asm! {"mov $0,$1"::"0"("bx"),"1"(0x00)}
+   |                                ^^^^
+
+error: aborting due to previous error
+