[llvm-branch-commits] [llvm] f7463ca - [ProfileData] GCOVFile::readGCNO - silence undefined pointer warning. NFCI.

[Simon Pilgrim via llvm-branch-commits]

Author: Simon Pilgrim
Date: 2021-01-04T16:50:05Z
New Revision: f7463ca3cc5ba8455c4611c5afa79c48d8a79326

URL: https://github.com/llvm/llvm-project/commit/f7463ca3cc5ba8455c4611c5afa79c48d8a79326
DIFF: https://github.com/llvm/llvm-project/commit/f7463ca3cc5ba8455c4611c5afa79c48d8a79326.diff

LOG: [ProfileData] GCOVFile::readGCNO - silence undefined pointer warning. NFCI.

Silence clang static analyzer warning that 'fn' could still be in an undefined state - this shouldn't happen depending on the likely tag order, but the analyzer can't know that.

Added: 
    

Modified: 
    llvm/lib/ProfileData/GCOV.cpp

Removed: 
    


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diff  --git a/llvm/lib/ProfileData/GCOV.cpp b/llvm/lib/ProfileData/GCOV.cpp
index 2e1ba3338394..3332a898603b 100644
--- a/llvm/lib/ProfileData/GCOV.cpp
+++ b/llvm/lib/ProfileData/GCOV.cpp
@@ -111,7 +111,7 @@ bool GCOVFile::readGCNO(GCOVBuffer &buf) {
     buf.getWord(); // hasUnexecutedBlocks
 
   uint32_t tag, length;
-  GCOVFunction *fn;
+  GCOVFunction *fn = nullptr;
   while ((tag = buf.getWord())) {
     if (!buf.readInt(length))
       return false;