[PATCH] Make ubsan respect log_path

[hfinkel at anl.gov]

Removed testing of invalid paths; that is common code that is covered already by the asan test.


http://reviews.llvm.org/D9006

Files:
  lib/ubsan/ubsan_init.cc
  test/ubsan/TestCases/Misc/log-path_test.cc

Index: lib/ubsan/ubsan_init.cc
===================================================================
--- lib/ubsan/ubsan_init.cc
+++ lib/ubsan/ubsan_init.cc
@@ -37,6 +37,7 @@
 static void CommonStandaloneInit() {
   SanitizerToolName = "UndefinedBehaviorSanitizer";
   InitializeFlags();
+  __sanitizer_set_report_path(common_flags()->log_path);
   InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir);
   CommonInit();
   ubsan_mode = UBSAN_MODE_STANDALONE;
Index: test/ubsan/TestCases/Misc/log-path_test.cc
===================================================================
--- /dev/null
+++ test/ubsan/TestCases/Misc/log-path_test.cc
@@ -0,0 +1,33 @@
+// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
+// XFAIL: android
+
+// RUN: %clangxx -fsanitize=undefined %s -O1 -o %t
+
+// Regular run.
+// RUN: %run %t -4 2> %t.out
+// RUN: FileCheck %s --check-prefix=CHECK-ERROR < %t.out
+
+// Good log_path.
+// RUN: rm -f %t.log.*
+// RUN: env UBSAN_OPTIONS=log_path=%t.log %run %t -4 2> %t.out
+// RUN: FileCheck %s --check-prefix=CHECK-ERROR < %t.log.*
+
+// Run w/o errors should not produce any log.
+// RUN: rm -f %t.log.*
+// RUN: env UBSAN_OPTIONS=log_path=%t.log  %run %t 4
+// RUN: not cat %t.log.*
+
+// FIXME: log_path is not supported on Windows yet.
+// XFAIL: win32
+
+#include <stdio.h>
+#include <stdlib.h>
+int main(int argc, char *argv[]) {
+  double a = atof(argv[1]);
+  unsigned int ai = (unsigned int) a;
+  printf("%f %u\n", a, ai);
+  return 0;
+}
+
+// CHECK-ERROR: runtime error: value -4 is outside the range of representable values of type 'unsigned int'
+

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