[PATCH] DFSan-based fuzzer (proof of concept).

[Kostya Serebryany]

================
Comment at: lib/Fuzzer/test/CMakeLists.txt:21
@@ -20,3 +24,2 @@
   add_executable(LLVMFuzzer-${Test}
-    EXCLUDE_FROM_ALL
     ${Test}.cpp
----------------
samsonov wrote:
> Did you remove this line on purpose?
Yes. It is not needed any more due to 
if( LLVM_USE_SANITIZE_COVERAGE  ) in lib/Fuzzer/CMakeLists.txt

================
Comment at: lib/Fuzzer/test/dfsan/CMakeLists.txt:10
@@ +9,3 @@
+    )
+  target_link_libraries(LLVMFuzzer-${Test}
+    LLVMFuzzer
----------------
samsonov wrote:
> You probably need smth. like
>   set(DFSAN_FUZZER_ABI_LIST "${CMAKE_CURRENT_SOURCE_DIR}/../../dfsan_fuzzer_abi.list")
>   ...
> 
>   set_source_files_properties(${Test}.cpp PROPERTIES OBJECT_DEPENDS ${DFSAN_FUZZER_ABI_LIST})
> 
> to make sure you will recompile the test after changes to ABI list.
Done, thanks!

http://reviews.llvm.org/D8669

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