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981eb59138
path::const_iterator claims that it's a bidirectional iterator, but it
doesn't satisfy all of the contracts for a bidirectional iterator.
For example, n3376 24.2.5 p6 says "If a and b are both dereferenceable,
then a == b if and only if *a and *b are bound to the same object",
but this doesn't work with how we stash and recreate Components.
This means that our use of reverse_iterator on this type is invalid
and leads to many of the valgrind errors we're hitting, as explained
by Tilmann Scheller here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20140728/228654.html
Instead, we admit that path::const_iterator is only an input_iterator,
and implement a second input_iterator for path::reverse_iterator (by
changing const_iterator::operator-- to reverse_iterator::operator++).
All of the uses of this just traverse once over the path in one
direction or the other anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214737 91177308-0d34-0410-b5e6-96231b3b80d8
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| .. | ||
| AlignOfTest.cpp | ||
| AllocatorTest.cpp | ||
| ArrayRecyclerTest.cpp | ||
| BlockFrequencyTest.cpp | ||
| BranchProbabilityTest.cpp | ||
| Casting.cpp | ||
| CMakeLists.txt | ||
| CommandLineTest.cpp | ||
| CompressionTest.cpp | ||
| ConvertUTFTest.cpp | ||
| DataExtractorTest.cpp | ||
| EndianTest.cpp | ||
| ErrorOrTest.cpp | ||
| FileOutputBufferTest.cpp | ||
| formatted_raw_ostream_test.cpp | ||
| IteratorTest.cpp | ||
| LEB128Test.cpp | ||
| LineIteratorTest.cpp | ||
| LockFileManagerTest.cpp | ||
| Makefile | ||
| ManagedStatic.cpp | ||
| MathExtrasTest.cpp | ||
| MD5Test.cpp | ||
| MemoryBufferTest.cpp | ||
| MemoryTest.cpp | ||
| Path.cpp | ||
| ProcessTest.cpp | ||
| ProgramTest.cpp | ||
| raw_ostream_test.cpp | ||
| RegexTest.cpp | ||
| ScaledNumberTest.cpp | ||
| SourceMgrTest.cpp | ||
| SpecialCaseListTest.cpp | ||
| StringPool.cpp | ||
| SwapByteOrderTest.cpp | ||
| ThreadLocalTest.cpp | ||
| TimeValueTest.cpp | ||
| UnicodeTest.cpp | ||
| YAMLIOTest.cpp | ||
| YAMLParserTest.cpp | ||