Actually removed redundant tests from r216783.

From-SVN: r216787

gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-2.c

-/* This tests that when faced with two references to the same memory
-   location in the same basic block, the second reference should not
-   be instrumented by the Address Sanitizer.  But in case of access to
-   overlapping regions we must be precise.  */
-
-/* { dg-options "-fdump-tree-sanopt" } */
-/* { dg-do compile } */
-/* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
-
-int
-main ()
-{
-  char tab[5];
-
-  /* Here, we instrument the access at offset 0 and access at offset
-     4.  */
-  __builtin_memset (tab, 1, sizeof (tab));
-  /* We instrumented access at offset 0 above already, so only access
-     at offset 3 is instrumented.  */
-  __builtin_memset (tab, 1, 3);
-}
-
-/* { dg-final { scan-tree-dump-times "& 7" 3 "sanopt" } } */
-/* { dg-final { scan-tree-dump-times "__builtin___asan_report_store_n" 2 "sanopt" } } */
-/* { dg-final { scan-tree-dump-times "__builtin___asan_report" 2 "sanopt" }  } */
-/* { dg-final { cleanup-tree-dump "sanopt" } } */

gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-9.c

-/* { dg-options "-fdump-tree-sanopt" } */
-/* { dg-do compile } */
-/* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
-
-__SIZE_TYPE__
-f (char *a)
-{
-  a[0] = '1';
-  return  __builtin_strlen (a);
-}
-
-/* { dg-final { scan-tree-dump-times "__asan_report_load1" 1 "sanopt" } } */
-/* { dg-final { cleanup-tree-dump "sanopt" } } */