From b1c73532ee8997fe5dfbeb7d223027bdf99758a0 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 9 Dec 2023 14:28:42 +0100
Subject: Vendor import of llvm-project main
 llvmorg-18-init-14265-ga17671084db1.

---
 llvm/lib/TextAPI/PackedVersion.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/TextAPI/PackedVersion.cpp')

diff --git a/llvm/lib/TextAPI/PackedVersion.cpp b/llvm/lib/TextAPI/PackedVersion.cpp
index 22960c33e9ee..4742be79f457 100644
--- a/llvm/lib/TextAPI/PackedVersion.cpp
+++ b/llvm/lib/TextAPI/PackedVersion.cpp
@@ -28,7 +28,7 @@ bool PackedVersion::parse32(StringRef Str) {
   SmallVector<StringRef, 3> Parts;
   SplitString(Str, Parts, ".");
 
-  if (Parts.size() > 3)
+  if (Parts.size() > 3 || Parts.empty())
     return false;
 
   unsigned long long Num;
@@ -63,7 +63,7 @@ std::pair<bool, bool> PackedVersion::parse64(StringRef Str) {
   SmallVector<StringRef, 5> Parts;
   SplitString(Str, Parts, ".");
 
-  if (Parts.size() > 5)
+  if (Parts.size() > 5 || Parts.empty())
     return std::make_pair(false, Truncated);
 
   unsigned long long Num;
-- 
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