<any>: std::any links when exceptions are disabled (microsoft#2193)

Co-authored-by: Stephan T. Lavavej <[email protected]>

stl/inc/typeinfo

@@ -29,7 +29,7 @@ _INLINE_VAR constexpr int _Small_object_num_ptrs = 6 + 16 / sizeof(void*);
 
 #if !_HAS_EXCEPTIONS
 
-class _CRTIMP2_IMPORT bad_cast : public exception { // base of all bad cast exceptions
+class bad_cast : public exception { // base of all bad cast exceptions
 public:
     bad_cast(const char* _Message = "bad cast") noexcept : exception(_Message) {}
 
@@ -41,7 +41,7 @@ protected:
     }
 };
 
-class _CRTIMP2_IMPORT bad_typeid : public exception { // base of all bad typeid exceptions
+class bad_typeid : public exception { // base of all bad typeid exceptions
 public:
     bad_typeid(const char* _Message = "bad typeid") noexcept : exception(_Message) {}
 
@@ -53,7 +53,7 @@ protected:
     }
 };
 
-class _CRTIMP2_IMPORT __non_rtti_object : public bad_typeid { // report a non-RTTI object
+class __non_rtti_object : public bad_typeid { // report a non-RTTI object
 public:
     __non_rtti_object(const char* _Message) : bad_typeid(_Message) {}
 };

tests/std/test.lst

@@ -172,6 +172,7 @@ tests\GH_000690_overaligned_function
 tests\GH_000890_pow_template
 tests\GH_000935_complex_numerical_accuracy
 tests\GH_000940_missing_valarray_copy
+tests\GH_000990_any_link_without_exceptions
 tests\GH_001001_random_rejection_rounding
 tests\GH_001010_filesystem_error_encoding
 tests\GH_001017_discrete_distribution_out_of_range

tests/std/tests/GH_000990_any_link_without_exceptions/env.lst

@@ -0,0 +1,7 @@
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+RUNALL_INCLUDE ..\usual_17_matrix.lst
+RUNALL_CROSSLIST
+PM_CL="/D_HAS_EXCEPTIONS=0"
+PM_CL="/D_HAS_EXCEPTIONS=1"

tests/std/tests/GH_000990_any_link_without_exceptions/test.cpp

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+#include <any>
+#include <cassert>
+using namespace std;
+
+int main() {
+    // GH-990 <any>: std::any doesn't link when exceptions are disabled
+    assert(any_cast<int>(any{1729}) == 1729);
+}