Updates for regression tests.

Author: MaxSagebaum

regression-tests/test-results/msvc-2022-c++20/pure2-assert-expected-not-null.cpp.output

@@ -6,7 +6,7 @@ pure2-assert-expected-not-null.cpp2(7): error C2143: syntax error: missing ';' b
 pure2-assert-expected-not-null.cpp2(7): error C2143: syntax error: missing ';' before '}'
 pure2-assert-expected-not-null.cpp2(9): error C2065: 'ex': undeclared identifier
 pure2-assert-expected-not-null.cpp2(9): error C2672: 'cpp2::impl::assert_not_null': no matching overloaded function found
-D:\cppfront\cppfront\include\cpp2util.h(643): note: could be 'decltype(auto) cpp2::impl::assert_not_null(_T0 &&)'
+..\..\..\include\cpp2util.h(643): note: could be 'decltype(auto) cpp2::impl::assert_not_null(_T0 &&)'
 pure2-assert-expected-not-null.cpp2(14): error C2039: 'expected': is not a member of 'std'
 predefined C++ types (compiler internal)(347): note: see declaration of 'std'
 pure2-assert-expected-not-null.cpp2(14): error C2062: type 'int' unexpected
@@ -19,4 +19,4 @@ pure2-assert-expected-not-null.cpp2(14): note: while trying to match the argumen
 pure2-assert-expected-not-null.cpp2(14): error C2143: syntax error: missing ';' before '}'
 pure2-assert-expected-not-null.cpp2(15): error C2065: 'ex': undeclared identifier
 pure2-assert-expected-not-null.cpp2(15): error C2672: 'cpp2::impl::assert_not_null': no matching overloaded function found
-D:\cppfront\cppfront\include\cpp2util.h(643): note: could be 'decltype(auto) cpp2::impl::assert_not_null(_T0 &&)'
+..\..\..\include\cpp2util.h(643): note: could be 'decltype(auto) cpp2::impl::assert_not_null(_T0 &&)'