[libFuzzer] revert part of r358726 committed by mistake (oops)

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358727 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/fuzzer/CMakeLists.txt b/lib/fuzzer/CMakeLists.txt
index f473910..aa62995 100644
--- a/lib/fuzzer/CMakeLists.txt
+++ b/lib/fuzzer/CMakeLists.txt
@@ -66,7 +66,6 @@
 endif()
 
 append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer LIBFUZZER_CFLAGS)
-append_list_if(True -fexceptions LIBFUZZER_CFLAGS)
 
 if (CMAKE_CXX_FLAGS MATCHES "fsanitize-coverage")
   list(APPEND LIBFUZZER_CFLAGS -fno-sanitize-coverage=trace-pc-guard,edge,trace-cmp,indirect-calls,8bit-counters)