+# Instructions that are invalid and are correctly rejected but use the wrong
+# error message at the moment.
+#
+# RUN: not llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r6 \
+# RUN: 2>%t1
+# RUN: FileCheck %s < %t1
+
+ .set noat
+ bc1fl $fcc1,4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc1fl 4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc1tl $fcc1,4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc1tl 4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2f $fcc0,4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2f 4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2fl $fcc1,4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2fl 4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2t $fcc0,4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2t 4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2tl $fcc1,4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction
+ bc2tl 4 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: Unknown instruction