From c7dac04c3480f3c20487f912f77343139fce2d99 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 24 Dec 2017 01:00:08 +0000
Subject: Vendor import of llvm trunk r321414:
 https://llvm.org/svn/llvm-project/llvm/trunk@321414

---
 lib/Support/CachePruning.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib/Support/CachePruning.cpp')

diff --git a/lib/Support/CachePruning.cpp b/lib/Support/CachePruning.cpp
index 3e97c991f504..141573c2a1c7 100644
--- a/lib/Support/CachePruning.cpp
+++ b/lib/Support/CachePruning.cpp
@@ -165,12 +165,14 @@ bool llvm::pruneCache(StringRef Path, CachePruningPolicy Policy) {
       return false;
     }
   } else {
+    if (!Policy.Interval)
+      return false;
     if (Policy.Interval != seconds(0)) {
       // Check whether the time stamp is older than our pruning interval.
       // If not, do nothing.
       const auto TimeStampModTime = FileStatus.getLastModificationTime();
       auto TimeStampAge = CurrentTime - TimeStampModTime;
-      if (TimeStampAge <= Policy.Interval) {
+      if (TimeStampAge <= *Policy.Interval) {
         DEBUG(dbgs() << "Timestamp file too recent ("
                      << duration_cast<seconds>(TimeStampAge).count()
                      << "s old), do not prune.\n");
-- 
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