[llvm] af1bb4b - Fix build errors after ceb9379a9

[Nathan James via llvm-commits]

Author: Nathan James
Date: 2021-01-13T12:19:53Z
New Revision: af1bb4bc823f823df9869d354f639ee86b83d747

URL: https://github.com/llvm/llvm-project/commit/af1bb4bc823f823df9869d354f639ee86b83d747
DIFF: https://github.com/llvm/llvm-project/commit/af1bb4bc823f823df9869d354f639ee86b83d747.diff

LOG: Fix build errors after ceb9379a9

For some reason some builds dont like the arrow operator access. using the deref then access should fix the issue.

/home/buildbots/ppc64le-flang-mlir-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/include/llvm/ADT/iterator.h:171:34: error: taking the address of a temporary object of type 'llvm::StringRef' [-Waddress-of-temporary]
  PointerT operator->() { return &static_cast<DerivedT *>(this)->operator*(); }
                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/buildbots/ppc64le-flang-mlir-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/include/llvm/ADT/StringExtras.h:387:13: note: in instantiation of member function 'llvm::iterator_facade_base<llvm::mapped_iterator<mlir::tblgen::TypeParameter *, (lambda at /home/buildbots/ppc64le-flang-mlir-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/mlir/tools/mlir-tblgen/TypeDefGen.cpp:414:19), llvm::StringRef>, std::random_access_iterator_tag, llvm::StringRef, long, llvm::StringRef *, llvm::StringRef &>::operator->' requested here
    Len += I->size();

Added: 
    

Modified: 
    llvm/include/llvm/ADT/StringExtras.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/ADT/StringExtras.h b/llvm/include/llvm/ADT/StringExtras.h
index 0178539bc402..caa1ed547bb2 100644
--- a/llvm/include/llvm/ADT/StringExtras.h
+++ b/llvm/include/llvm/ADT/StringExtras.h
@@ -384,7 +384,7 @@ inline std::string join_impl(IteratorT Begin, IteratorT End,
 
   size_t Len = (std::distance(Begin, End) - 1) * Separator.size();
   for (IteratorT I = Begin; I != End; ++I)
-    Len += I->size();
+    Len += (*I).size();
   S.reserve(Len);
   size_t PrevCapacity = S.capacity();
   (void)PrevCapacity;