[libFuzzer] Properly check if we can use dumpbin.

The flag "/sumary" is necessary, otherwise it returns a non-zero value.

Differential Revision: https://reviews.llvm.org/D29371

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293790 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Fuzzer/FuzzerUtilWindows.cpp b/lib/Fuzzer/FuzzerUtilWindows.cpp
index b9e039f81e53ee9514b4a123a40471813e2922f9..34a17cf305bb3440c42ce8f5632c34bf46dc1750 100644 (file)
--- a/lib/Fuzzer/FuzzerUtilWindows.cpp
+++ b/lib/Fuzzer/FuzzerUtilWindows.cpp
@@ -179,7 +179,7 @@ const void *SearchMemory(const void *Data, size_t DataLen, const void *Patt,
 }
 
 std::string DisassembleCmd(const std::string &FileName) {
-  if (ExecuteCommand("dumpbin > nul") == 0)
+  if (ExecuteCommand("dumpbin /summary > nul") == 0)
     return "dumpbin /disasm " + FileName;
   if (ExecuteCommand("llvm-objdump > nul") == 0)
     return "llvm-objdump -d " + FileName;