[PATCH] D39944: [Sema] Stable sort OverloadCandidates to remove non-deterministic ordering

[Mandeep Singh Grang via Phabricator via cfe-commits]

mgrang created this revision.
mgrang added a project: clang.

This fixes failure in Misc/diag-template-diffing.cpp uncovered by 
https://reviews.llvm.org/D39245.


https://reviews.llvm.org/D39944

Files:
  lib/Sema/SemaOverload.cpp


Index: lib/Sema/SemaOverload.cpp
===================================================================
--- lib/Sema/SemaOverload.cpp
+++ lib/Sema/SemaOverload.cpp
@@ -10516,7 +10516,7 @@
     }
   }
 
-  std::sort(Cands.begin(), Cands.end(),
+  std::stable_sort(Cands.begin(), Cands.end(),
             CompareOverloadCandidatesForDisplay(S, OpLoc, Args.size(), Kind));
 
   bool ReportedAmbiguousConversions = false;



Index: lib/Sema/SemaOverload.cpp
===================================================================
--- lib/Sema/SemaOverload.cpp
+++ lib/Sema/SemaOverload.cpp
@@ -10516,7 +10516,7 @@
     }
   }
 
-  std::sort(Cands.begin(), Cands.end(),
+  std::stable_sort(Cands.begin(), Cands.end(),
             CompareOverloadCandidatesForDisplay(S, OpLoc, Args.size(), Kind));
 
   bool ReportedAmbiguousConversions = false;

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