Avoid getting an argument of allocation function if it does not exist.

This is a fix to PR12778: in erroneous code an allocation function
can be declared with no arguments, quering the first argument in this case
causes assertion violation.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190751 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/test/SemaCXX/PR12778.cpp b/test/SemaCXX/PR12778.cpp
new file mode 100644
index 0000000000..f4d25f3e8f
--- /dev/null
+++ b/test/SemaCXX/PR12778.cpp
@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+void operator delete() throw(void*); // expected-error{{'operator delete' must have at least one parameter}}
+void* allocate(int __n) {
+   return ::operator new(__n);
+}
+