llvm-undname: Add coverage for some error paths

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362346 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Demangle/invalid-manglings.test b/test/Demangle/invalid-manglings.test
index 6cd025a1eeca0c4fc552a5202e0d1785add3ce3c..8490c02501f61d8ee3a55a9d76d388aee3e397de 100644 (file)
--- a/test/Demangle/invalid-manglings.test
+++ b/test/Demangle/invalid-manglings.test
@@ -174,3 +174,53 @@
 ; CHECK-EMPTY:
 ; CHECK-NEXT: ??$foo@$1??_C@_02PCEFGMJL@hi?$AA@@
 ; CHECK-NEXT: error: Invalid mangled name
+
+??_C@
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_3
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_3
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_01
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_01
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_0101234567@
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_0101234567@
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_0101234567@?
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_0101234567@?
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_0101234567@?$
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_0101234567@?$
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_0101234567@?$za
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_0101234567@?$za
+; CHECK-NEXT: error: Invalid mangled name
+
+??_C@_0101234567@?$az
+; CHECK-EMPTY:
+; CHECK-NEXT: ??_C@_0101234567@?$az
+; CHECK-NEXT: error: Invalid mangled name
+
+??@foo
+; CHECK-EMPTY:
+; CHECK-NEXT: ??@foo
+; CHECK-NEXT: error: Invalid mangled name