[Support] Make error banner optional in logAllUnhandledErrors

In a lot of places an empty string was passed as the ErrorBanner to
logAllUnhandledErrors. This patch makes that argument optional to
simplify the call sites.

llvm-svn: 346604
diff --git a/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp b/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp
index 25c0cb5..8122ed2 100644
--- a/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp
+++ b/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp
@@ -216,7 +216,7 @@
   if (!LoadedObject) {
     std::string Buf;
     raw_string_ostream OS(Buf);
-    logAllUnhandledErrors(LoadedObject.takeError(), OS, "");
+    logAllUnhandledErrors(LoadedObject.takeError(), OS);
     OS.flush();
     report_fatal_error(Buf);
   }
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
index 1c54ad6..340ddaa 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
@@ -66,7 +66,7 @@
   } else {
     HasError = true;
     raw_string_ostream ErrStream(ErrorStr);
-    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream, "");
+    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream);
     return nullptr;
   }
 }
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index f9a81c7..226ee71 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -255,7 +255,7 @@
   else {
     HasError = true;
     raw_string_ostream ErrStream(ErrorStr);
-    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream, "");
+    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream);
     return nullptr;
   }
 }
@@ -1130,7 +1130,7 @@
     if (!SymTypeOrErr) {
       std::string Buf;
       raw_string_ostream OS(Buf);
-      logAllUnhandledErrors(SymTypeOrErr.takeError(), OS, "");
+      logAllUnhandledErrors(SymTypeOrErr.takeError(), OS);
       OS.flush();
       report_fatal_error(Buf);
     }
@@ -1151,7 +1151,7 @@
       if (!SectionOrErr) {
         std::string Buf;
         raw_string_ostream OS(Buf);
-        logAllUnhandledErrors(SectionOrErr.takeError(), OS, "");
+        logAllUnhandledErrors(SectionOrErr.takeError(), OS);
         OS.flush();
         report_fatal_error(Buf);
       }
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
index c5a215c..d47fcd4 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
@@ -370,7 +370,7 @@
   else {
     HasError = true;
     raw_string_ostream ErrStream(ErrorStr);
-    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream, "");
+    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream);
     return nullptr;
   }
 }
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h
index 729ea1e..8723dd0 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h
@@ -28,7 +28,7 @@
   if (!SymTypeOrErr) {
     std::string Buf;
     raw_string_ostream OS(Buf);
-    logAllUnhandledErrors(SymTypeOrErr.takeError(), OS, "");
+    logAllUnhandledErrors(SymTypeOrErr.takeError(), OS);
     OS.flush();
     report_fatal_error(Buf);
   }