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if modules are enabled.
The preprocessing record becomes important when modules are enabled, since it is used to calculate the
module cache hash.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180635 91177308-0d34-0410-b5e6-96231b3b80d8
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and warn when a newly-imported module conflicts with an already-imported module.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177577 91177308-0d34-0410-b5e6-96231b3b80d8
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the filename of the PCH file.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176717 91177308-0d34-0410-b5e6-96231b3b80d8
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Courtesy of utils/find-unused-diagnostics.sh.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168135 91177308-0d34-0410-b5e6-96231b3b80d8
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replaced by the more efficient, cleaner preprocessor-option version
that occurs earlier in PCH validation.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166654 91177308-0d34-0410-b5e6-96231b3b80d8
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the macros that are #define'd or #undef'd on the command line. This
checking happens much earlier than the current macro-definition
checking and is far cleaner, because it does a direct comparison
rather than a diff of the predefines buffers. Moreover, it allows us
to use the result of this check to skip over PCH files within a
directory that have non-matching -D's or -U's on the command
line. Finally, it improves the diagnostics a bit for mismatches,
fixing <rdar://problem/8612222>.
The old predefines-buffer diff'ing will go away in a subsequent commit.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166641 91177308-0d34-0410-b5e6-96231b3b80d8
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target options around so they can be accessed at any point (rather
than keeping them transient).
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Also add a couple of unit tests to check the invalid-PCH error messages
to satisfy PR4568 and for the assertion (introduced in r149918 and fixed
in r158769) that would cause clang to crash when given an empty PCH.
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validate that we didn't override the contents of any of such files.
If this is detected, emit a diagnostic error and recover gracefully
by using the contents of the original file that the PCH was built from.
Part of rdar://11305263
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compiler errors or not.
-Control whether ASTReader should reject such a PCH by a boolean flag at ASTReader's creation time.
By default, such a PCH file will be rejected with an error when trying to load it.
[libclang] Allow clang_saveTranslationUnit to create a PCH file even if compiler errors
occurred.
-Have libclang API calls accept a PCH that had compiler errors.
The general idea is that we want libclang to stay functional even if a PCH had a compiler error.
rdar://10976363.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152192 91177308-0d34-0410-b5e6-96231b3b80d8
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diagnostics. Conflating them was highly confusing and makes it harder to
establish a firm layering separation between these two libraries.
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