I can reproduce any problems that justified this hack. However it makes builds fail in C++11 mode.
diff --git a/test/nomalloc.cpp b/test/nomalloc.cpp
index 3066642..060276a 100644
--- a/test/nomalloc.cpp
+++ b/test/nomalloc.cpp
@@ -8,19 +8,9 @@
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
-// this hack is needed to make this file compiles with -pedantic (gcc)
-#ifdef __GNUC__
-#define throw(X)
-#endif
-
-#ifdef __INTEL_COMPILER
- // disable "warning #76: argument to macro is empty" produced by the above hack
- #pragma warning disable 76
-#endif
-
// discard stack allocation as that too bypasses malloc
#define EIGEN_STACK_ALLOCATION_LIMIT 0
-// any heap allocation will raise an assert
+// heap allocation will raise an assert if enabled at runtime
#define EIGEN_RUNTIME_NO_MALLOC
#include "main.h"