[PATCH] [lsan] Implement __lsan_suppress_object().

[Alexey Samsonov]

================
Comment at: include/sanitizer/lsan_interface.h:26
@@ -25,2 +25,3 @@
   void __lsan_enable();
-
+  // The heap object into which p points will be treated as a non-leak.
+  void __lsan_suppress_object(const void *p);
----------------
What will happen for this:
int *x = new int[10];
__lsan_suppress_object(x + 5);

Shall we restrict arg value to "the heap object which p points to"?

================
Comment at: lib/lsan/lsan_allocator.cc:217
@@ -201,3 +216,3 @@
   if (!__lsan::lsan_disabled) {
-    Report("Unmatched call to __lsan_enable().\n");
+    Report("LeakSanitizer: Unmatched call to __lsan_enable().\n");
     Die();
----------------
Should you fix this message in ASan as well?
Why don't you print stack trace for this location (and add a test case for it)?


http://llvm-reviews.chandlerc.com/D910