asan/msan: separate different report blocks with new lines

this makes the reports consistent with tsan, and much more readable.

llvm-svn: 193520

2 files changed, 4 insertions, 2 deletions

diff --git a/compiler-rt/lib/asan/asan_stack.cc b/compiler-rt/lib/asan/asan_stack.cc
index cbc151cc1ba..b70ee81410e 100644
--- a/compiler-rt/lib/asan/asan_stack.cc
+++ b/compiler-rt/lib/asan/asan_stack.cc
@@ -26,12 +26,14 @@ static bool MaybeCallAsanSymbolize(const void *pc, char *out_buffer,
 
 void PrintStack(const uptr *trace, uptr size) {
   if (!trace) {
-    Printf("<empty stack>\n");
+    Printf("<empty stack>\n\n");
     return;
   }
   StackTrace::PrintStack(trace, size, common_flags()->symbolize,
                          MaybeCallAsanSymbolize);
+    Printf("\n");
 }
+
 void PrintStack(StackTrace *stack) {
   PrintStack(stack->trace, stack->size);
 }
diff --git a/compiler-rt/lib/msan/msan_report.cc b/compiler-rt/lib/msan/msan_report.cc
index 354bc80b7f3..c0765016074 100644
--- a/compiler-rt/lib/msan/msan_report.cc
+++ b/compiler-rt/lib/msan/msan_report.cc
@@ -37,11 +37,11 @@ class Decorator: private __sanitizer::AnsiColorDecorator {
 static void PrintStack(const uptr *trace, uptr size) {
   SymbolizerScope sym_scope;
   StackTrace::PrintStack(trace, size, true, 0);
+  Printf("\n");
 }
 
 static void DescribeOrigin(u32 origin) {
   Decorator d;
-  Printf("\n");
   if (common_flags()->verbosity)
     Printf("  raw origin id: %d\n", origin);
   uptr pc;