[Debuginfod] Use StringRef::consume_back (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-debuginfo

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/139483.diff

1 Files Affected:

• (modified) llvm/lib/Debuginfod/Debuginfod.cpp (+1-2)

diff --git a/llvm/lib/Debuginfod/Debuginfod.cpp b/llvm/lib/Debuginfod/Debuginfod.cpp
index db316a1b37b3b..12f817c9e4bf0 100644
--- a/llvm/lib/Debuginfod/Debuginfod.cpp
+++ b/llvm/lib/Debuginfod/Debuginfod.cpp
@@ -245,8 +245,7 @@ static SmallVector<std::string, 0> getHeaders() {
   uint64_t LineNumber = 0;
   for (StringRef Line : llvm::split((*HeadersFile)->getBuffer(), '\n')) {
     LineNumber++;
-    if (!Line.empty() && Line.back() == '\r')
-      Line = Line.drop_back();
+    Line.consume_back("\r");
     if (!isHeader(Line)) {
       if (!all_of(Line, llvm::isSpace))
         WithColor::warning()