[llvm-commits] [llvm] r104145 - /llvm/trunk/lib/CompilerDriver/Action.cpp

[Mikhail Glushenkov]

Author: foldr
Date: Wed May 19 14:24:32 2010
New Revision: 104145

URL: http://llvm.org/viewvc/llvm-project?rev=104145&view=rev
Log:
llvmc: report an error if a child process segfaults.

Modified:
    llvm/trunk/lib/CompilerDriver/Action.cpp

Modified: llvm/trunk/lib/CompilerDriver/Action.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CompilerDriver/Action.cpp?rev=104145&r1=104144&r2=104145&view=diff
==============================================================================
--- llvm/trunk/lib/CompilerDriver/Action.cpp (original)
+++ llvm/trunk/lib/CompilerDriver/Action.cpp Wed May 19 14:24:32 2010
@@ -67,7 +67,20 @@
     argv.push_back(0);  // null terminate list.
 
     // Invoke the program.
-    return sys::Program::ExecuteAndWait(prog, &argv[0], 0, &redirects[0]);
+    int ret = sys::Program::ExecuteAndWait(prog, &argv[0], 0, &redirects[0]);
+
+    if (ret < 0) {
+      const char** B = &argv[0];
+
+      errs() << "Segmentation fault:";
+      while (*B)
+        errs() << ' ' << *(B++);
+      errs() << '\n';
+
+      return 1;
+    }
+
+    return ret;
   }
 
   void print_string (const std::string& str) {