[demangler] Fix another oss-fuzz bug

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@310226 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 2 insertions, 1 deletions

diff --git a/src/cxa_demangle.cpp b/src/cxa_demangle.cpp
index 88990a2..0281b50 100644
--- a/src/cxa_demangle.cpp
+++ b/src/cxa_demangle.cpp
@@ -2896,7 +2896,7 @@ parse_new_expr(const char* first, const char* last, Db& db)
                     return first;
                 init_list = db.popTrailingNodeArray(init_list_begin);
             }
-            if (*t != 'E')
+            if (*t != 'E' || db.names.empty())
                 return first;
             auto type = db.names.back();
             db.names.pop_back();
diff --git a/test/test_demangle.pass.cpp b/test/test_demangle.pass.cpp
index 3b712f0..18bbbba 100644
--- a/test/test_demangle.pass.cpp
+++ b/test/test_demangle.pass.cpp
@@ -29677,6 +29677,7 @@ const char* invalid_cases[] =
     "FSiIJEENT_IoE ",
     "ZTVSiIZTVSiIZTVSiIZTVSiINIJEET_T_T_T_T_ ",
     "_ZSiIJEvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvttvvvvvvET_v",
+    "Ana_T_E_T_IJEffffffffffffffersfffffrsrsffffffbgE",
 };
 
 const unsigned NI = sizeof(invalid_cases) / sizeof(invalid_cases[0]);