Changes to VT:

- library wrapping: Prevent calling dlerror, if the memory allocation wrappers are enabled. dlerror calls realloc which would ends up in an infinite recursion.

This commit was SVN r27869.

ompi/contrib/vt/vt/ChangeLog

@@ -1,6 +1,7 @@
 5.14.2openmpi
 	- fixed build error occurred if VT is configured with exec tracing
 	  enabled, but with memory allocation tracing disabled
+	- fixed infinite recursion in the realloc wrapper initiated by dlerror
 	- fixed assertion error occurred when MPI_Initialized is the very first
 	  event to be recorded
 	- fixed potential stack underflow when tracing only MPI events of a

ompi/contrib/vt/vt/vtlib/vt_libwrap.c

@@ -39,6 +39,16 @@
 # define MAX_HANDLES (VT_LIBWRAP_MAX_SHLIBS+1)
 #endif /* HAVE_DECL_RTLD_NEXT */
 
+/* Do not call dlerror, if the memory allocation wrappers are enabled.
+   dlerror calls realloc which would ends up in an infinite recursion. */
+#ifdef VT_MALLOCWRAP
+# define dlerror no_dlerror
+  static char* no_dlerror(void)
+  {
+    return "unknown";
+  }
+#endif /* VT_MALLOCWRAP */
+
 /* data structure for library wrapper object */
 struct VTLibwrap_struct
 {