[libFuzzer] print the file name before executing the input so that if there is a crash we know which files has caused it

llvm-svn: 269450
diff --git a/llvm/lib/Fuzzer/test/fuzzer.test b/llvm/lib/Fuzzer/test/fuzzer.test
index e56597d..bbdcc73 100644
--- a/llvm/lib/Fuzzer/test/fuzzer.test
+++ b/llvm/lib/Fuzzer/test/fuzzer.test
@@ -57,8 +57,8 @@
 RUN: LLVMFuzzer-SimpleTest %tmp/SINGLE_INPUTS/aaa %tmp/SINGLE_INPUTS/bbb 2>&1 | FileCheck %s --check-prefix=SINGLE_INPUTS
 RUN: rm -rf  %tmp/SINGLE_INPUTS
 SINGLE_INPUTS: LLVMFuzzer-SimpleTest: Running 2 inputs 1 time(s) each.
-SINGLE_INPUTS: aaa:
-SINGLE_INPUTS: bbb:
+SINGLE_INPUTS: aaa ...
+SINGLE_INPUTS: bbb ...
 
 RUN: rm -rf %t/SUB1
 RUN: mkdir -p %t/SUB1/SUB2/SUB3