diff --git a/llvm/test/Transforms/SampleProfile/Inputs/profile-symbol-list.text b/llvm/test/Transforms/SampleProfile/Inputs/profile-symbol-list.text
--- a/llvm/test/Transforms/SampleProfile/Inputs/profile-symbol-list.text
+++ b/llvm/test/Transforms/SampleProfile/Inputs/profile-symbol-list.text
@@ -7,4 +7,4 @@
 _fini
 _init
 _start
-main
+main 
diff --git a/llvm/tools/llvm-profdata/llvm-profdata.cpp b/llvm/tools/llvm-profdata/llvm-profdata.cpp
--- a/llvm/tools/llvm-profdata/llvm-profdata.cpp
+++ b/llvm/tools/llvm-profdata/llvm-profdata.cpp
@@ -661,8 +661,10 @@
   StringRef Data = Buffer->getBuffer();
   Data.split(SymbolVec, '\n', /*MaxSplit=*/-1, /*KeepEmpty=*/false);
 
-  for (StringRef symbol : SymbolVec)
-    PSL.add(symbol);
+  for (StringRef SymbolStr : SymbolVec) {
+    StringRef SanitizedSymbol = SymbolStr.trim();
+    PSL.add(SanitizedSymbol);
+  }
 }
 
 static void handleExtBinaryWriter(sampleprof::SampleProfileWriter &Writer,