[BOLT] Remove an unused local variable (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-bolt

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/139392.diff

1 Files Affected:

• (modified) bolt/lib/Profile/DataAggregator.cpp (-2)

diff --git a/bolt/lib/Profile/DataAggregator.cpp b/bolt/lib/Profile/DataAggregator.cpp
index 80f4ea0c1b707..cccb8aa98e071 100644
--- a/bolt/lib/Profile/DataAggregator.cpp
+++ b/bolt/lib/Profile/DataAggregator.cpp
@@ -350,8 +350,6 @@ bool DataAggregator::checkPerfDataMagic(StringRef FileName) {
 }
 
 void DataAggregator::parsePreAggregated() {
-  std::string Error;
-
   ErrorOr<std::unique_ptr<MemoryBuffer>> MB =
       MemoryBuffer::getFileOrSTDIN(Filename);
   if (std::error_code EC = MB.getError()) {