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Re: [PATCH] Support asan-instrumentation-with-call-threshold in GCC (second try)

On 06/16/2014 02:34 PM, Dominique Dhumieres wrote:
Done in r211699.

This breaks bootstrap on x86_64-apple-darwin13:

Hm, perhaps I didn't run full bootstrap after last round of review.
Does attached patch solve the problem for you? I've started bootstrap
but it'll take couple of hours to complete.

diff --git a/gcc/asan.c b/gcc/asan.c
index 19e1524..281a795 100644
--- a/gcc/asan.c
+++ b/gcc/asan.c
@@ -1636,6 +1636,13 @@ build_check_stmt (location_t location, tree base, tree len,
   gcc_assert (!(size_in_bytes > 0 && !non_zero_len_p));
+  if (start_instrumented && end_instrumented)
+    {
+      if (!before_p)
+        gsi_next (iter);
+      return;
+    }
   if (len)
     len = unshare_expr (len);
@@ -1735,7 +1742,7 @@ build_check_stmt (location_t location, tree base, tree len,
   gsi_insert_after (&gsi, g, GSI_NEW_STMT);
   tree base_addr = gimple_assign_lhs (g);
-  tree t;
+  tree t = NULL_TREE;
   if (real_size_in_bytes >= 8)
       tree shadow = build_shadow_mem_access (&gsi, location, base_addr,

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