1 files changed, 5 insertions, 4 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index cf42a6f7075b9..a0506715be372 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -3364,10 +3364,11 @@ bool AsmParser::parseDirectiveFile(SMLoc DirectiveLoc) {
   }
 
   if (FileNumber == -1) {
-    if (!getContext().getAsmInfo()->hasSingleParameterDotFile())
-      return Error(DirectiveLoc,
-                   "target does not support '.file' without a number");
-    getStreamer().EmitFileDirective(Filename);
+    // Ignore the directive if there is no number and the target doesn't support
+    // numberless .file directives. This allows some portability of assembler
+    // between different object file formats.
+    if (getContext().getAsmInfo()->hasSingleParameterDotFile())
+      getStreamer().EmitFileDirective(Filename);
   } else {
     // In case there is a -g option as well as debug info from directive .file,
     // we turn off the -g option, directly use the existing debug info instead.