diff --git a/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp b/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp
--- a/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp
+++ b/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp
@@ -79,6 +79,8 @@
     OS << Filename << ":" << Info.Line;
     if (Style == OutputStyle::LLVM)
       OS << ":" << Info.Column;
+    else if (Style == OutputStyle::GNU && Info.Discriminator != 0)
+      OS << " (discriminator " << Info.Discriminator << ")";
     OS << "\n";
     printContext(Filename, Info.Line);
     return;
diff --git a/llvm/test/tools/llvm-symbolizer/output-style-discriminator.test b/llvm/test/tools/llvm-symbolizer/output-style-discriminator.test
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-symbolizer/output-style-discriminator.test
@@ -0,0 +1,10 @@
+Check that llvm-symbolizer prints line-table discriminators properly.
+
+RUN: llvm-symbolizer --output-style=GNU -f -obj=%p/Inputs/discrim 0x400590 0x400575 | FileCheck %s
+
+CHECK: foo
+CHECK: /tmp/discrim.c:5
+CHECK: main
+CHECK: /tmp/discrim.c:10
+CHECK: foo
+CHECK: /tmp/discrim.c:5 (discriminator 2)