llvmc: report an error if a child process segfaults.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104145 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CompilerDriver/Action.cpp b/lib/CompilerDriver/Action.cpp
index 9d07811..8c63a4d 100644
--- a/lib/CompilerDriver/Action.cpp
+++ b/lib/CompilerDriver/Action.cpp
@@ -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) {