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Also, remove stray -fdiagnostics-parseable-fixits from ucn-pp-identifier.
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This is a missing piece for C99 conformance.
This patch handles UCNs by adding a '\\' case to LexTokenInternal and
LexIdentifier -- if we see a backslash, we tentatively try to read in a UCN.
If the UCN is not syntactically well-formed, we fall back to the old
treatment: a backslash followed by an identifier beginning with 'u' (or 'U').
Because the spelling of an identifier with UCNs still has the UCN in it, we
need to convert that to UTF-8 in Preprocessor::LookUpIdentifierInfo.
Of course, valid code that does *not* use UCNs will see only a very minimal
performance hit (checks after each identifier for non-ASCII characters,
checks when converting raw_identifiers to identifiers that they do not
contain UCNs, and checks when getting the spelling of an identifier that it
does not contain a UCN).
This patch also adds basic support for actual UTF-8 in the source. This is
treated almost exactly the same as UCNs except that we consider stray
Unicode characters to be mistakes and offer a fixit to remove them.
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suggestion.
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parser is not included in the compiler. Thanks to Renato for discovering the
underlying issue.
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for an unsupported architecture.
rdar://13063988
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to delete result files for only those commands that fail.
Part of rdar://12984531
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(GNU, C++11, MS Declspec) instead of hardcoded GNU syntax.
Introduce a spelling index to Attr class, which is an index into the attribute spelling list of an attribute defined in Attr.td.
This index will determine the actual spelling used by an attribute, as it incorporates both the syntax and naming of the attribute.
When constructing an attribute AST node, the spelling index is computed based on attribute kind, scope (if it's a C++11 attribute), and
name, then passed to Attr that will use the index to print itself.
Thanks to Richard Smith for the idea and review.
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Program scope variables must be declared in the constant address space
and are required to be initialized.
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r173352.
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It had program scope variables that were not in the constant address space,
make them to be function scope variables instead.
Also move the test to the SemaOpenCL directory.
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raw_fd_ostream(fd, ...) instead.
FIXME: PathV2::unique_file() is assumed to open the file with binary mode on win32.
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-Wincompatible-library-redeclaration.
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overloaded binary operators.
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functionality change!
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type of the string literal implicitly used for a raw user-defined literal call.
No test; this has no semantic impact.
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the unexpected word in them.
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the unexpected word in them.
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beginning with '#', since they could contain a path with the unexpected word in them.
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The global module index is a "global" index for all of the module
files within a particular subdirectory in the module cache, which
keeps track of all of the "interesting" identifiers and selectors
known in each of the module files. One can perform a fast lookup in
the index to determine which module files will have more information
about entities with a particular name/selector. This information can
help eliminate redundant lookups into module files (a serious
performance problem) and help with creating auto-import/auto-include
Fix-Its.
The global module index is created or updated at the end of a
translation unit that has triggered a (re)build of a module by
scraping all of the .pcm files out of the module cache subdirectory,
so it catches everything. As with module rebuilds, we use the file
system's atomicity to synchronize.
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Bogner.
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This isn't likely a full solution, but it catches the common cases
and can be refined over time.
Fixes <rdar://problem/11634353>.
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Before:
if (aaaaaaaaaa(
aaaaaaaaaa)) {}
After:
if (aaaaaaaaaa(
aaaaaaaaaa)) {}
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GCC implements -Wvla as "warn on every VLA" (this is useful to find every VLA,
for example, if they are forbidden by coding guidelines). Currently Clang
implements -Wvla as "warn on VLA when it is an extension".
The attached patch makes our behavior match GCC. The existing vla extwarn is
moved under -Wvla-extension and is still included into -Wgnu.
This fixes PR5953.
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identifiers into two parts: the part that involves dealing with the
key (which can be re-used) and the ASTReader-specific part that
creates the IdentifierInfos. While I'm at it, StringRef'ify this code,
which was using pair<const char*, unsigned>. No functionality change.
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Anybody using clang is a "developer".
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bogus with a PCH
that redefined a macro without undef'ing it first.
Proper reconstruction of the macro info history from modules will properly fix this in subsequent commits.
rdar://13016031
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Before:
int aaaa = aaaaa().aaaaa() // force break
.aaaaa();
After:
int aaaa = aaaaa().aaaaa() // force break
.aaaaa();
The other indent is just wrong and confusing.
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Before:
bool aaaa = aaaaaaaaaaa(
aaaaaaaaaaaaaaaaa);
After:
bool aaaa = aaaaaaaaaaa(
aaaaaaaaaaaaaaaaa);
The other indentation was a nice attempt but doesn't work in many cases.
Not sure what the right long term solution is as the "After: " is still
not nice. We either need to figure out what to do in the cases where it
"doesn't work" or come up with a third solution, e.g. falling back to:
bool aaaa =
aaaaaaaaaaa(
aaaaaaaaaaaaaaaaa);
which should always work and nicely highlight the structure.
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Now correctly formats:
#define A (1)
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Layouting would prevent breaking before + in
a[b + c] = d;
Regression detected by code review.
Also fixes an invalid-read found by the valgrind bot.
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Before: for (int & a : Values) {}
After: for (int &a : Values) {}
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Having seen more cases, this actually was not a good thing to do in the
first place. We can still improve on what we do now, but breaking after
the "=" is good in many cases.
Before:
aaaaaaaaaaaaa = aa->aaaaaaaaaaaaaaaaaaaa(
aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaa));
After:
aaaaaaaaaaaaa =
aa->aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaa));
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Before: if (int * a = &b) ...
After: if (int *a = &b) ...
Also changed all the existing tests to test the expressions in question
both in a declaration and in an expression context.
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operations (as opposed to storage only half/fp16).
Also add some semantic checks for OpenCL half types.
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We will need a more principled solution, but we should not leave this
unfixed until we come up with one.
Before: void f() { int * a; }
After: void f() { int *a; }
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Also: expletive deleted.
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