| 0e2c34f92f00628d48968dfea096d36381f494cb |
|
23-Mar-2015 |
Stephen Hines <srhines@google.com> |
Update aosp/master clang for rebase to r230699.
Change-Id: I6a546ab3d4ae37119eebb735e102cca4f80ab520
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 176edba5311f6eff0cad2631449885ddf4fbc9ea |
|
01-Dec-2014 |
Stephen Hines <srhines@google.com> |
Update aosp/master Clang for rebase to r222490.
Change-Id: Ic557ac55e97fbf6ee08771c7b7c3594777b0aefd
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 6bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89 |
|
29-May-2014 |
Stephen Hines <srhines@google.com> |
Update Clang for 3.5 rebase (r209713).
Change-Id: I8c9133b0f8f776dc915f270b60f94962e771bc83
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 651f13cea278ec967336033dd032faef0e9fc2ec |
|
24-Apr-2014 |
Stephen Hines <srhines@google.com> |
Updated to Clang 3.5a.
Change-Id: I8127eb568f674c2e72635b639a3295381fe8af82
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 9d33c40838367ffcc3206a7120a0ce32922b66d8 |
|
25-Oct-2013 |
David Majnemer <david.majnemer@gmail.com> |
Sema: Do not allow lambda expressions to appear inside of constant expressions
We would previously not diagnose this which would lead to crashes (on
very strange code).
This fixes PR17675.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193397 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 41cb3d90c2114a7df7aa04f80c8be4b62994fb0d |
|
15-Jun-2013 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Fix handling of const_cast from prvalue to rvalue reference: such a cast is
only permitted if the source object is of class type, and should materialize a
temporary for the reference to bind to.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184017 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 8a66bf78becf05a24e8251379f3843d1fceb627f |
|
03-Jun-2013 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Refactor constant expression evaluation to associate the complete object of a
materialized temporary with the corresponding MaterializeTemporaryExpr. This is
groundwork for providing C++11's guaranteed static initialization for global
references bound to lifetime-extended temporaries (if the initialization is a
constant expression).
In passing, fix a couple of bugs where some evaluation failures didn't trigger
diagnostics, and a rejects-valid where potential constant expression testing
would assume that it knew the dynamic type of *this and would reject programs
which relied on it being some derived type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183093 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 840462670ba7a6bc26265a2306b35f2f0f01f51c |
|
21-Apr-2013 |
Richard Smith <richard-llvm@metafoo.co.uk> |
The 'constexpr implies const' rule for non-static member functions is gone in
C++1y, so stop adding the 'const' there. Provide a compatibility warning for
code relying on this in C++11, with a fix-it hint. Update our lazily-written
tests to add the const, except for those ones which were testing our
implementation of this rule.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179969 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| f727e1c6cc382c1b5fe23b38ba04df2d4a2f358a |
|
29-Jan-2013 |
Douglas Gregor <dgregor@apple.com> |
Don't crash while printing APValues that are lvalues casted to a
decidedly non-reference, non-pointer type. Fixes <rdar://problem/13090123>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173747 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 26dc97cbeba8ced19972a259720a71aefa01ef43 |
|
17-Jul-2012 |
Eli Friedman <eli.friedman@gmail.com> |
Don't treat overflow in floating-point conversions as a hard error in constant evaluation. <rdar://problem/11874571>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160394 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 16581335fc32abcbc6ab14eda7af38cf759664b7 |
|
02-Mar-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Ensure that we instantiate static reference data members of class templates
early, since their values can be used in constant expressions in C++11. For
odr-use checking, the opposite change is required, since references are
odr-used whether or not they satisfy the requirements for appearing in a
constant expression.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151881 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 83587db1bda97f45d2b5a4189e584e2a18be511a |
|
15-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Implement DR1454. This allows all intermediate results in constant expressions
to be core constant expressions (including pointers and references to
temporaries), and makes constexpr calculations Turing-complete. A Turing machine
simulator is included as a testcase.
This opens up the possibilty of removing CCValue entirely, and removing some
copies from the constant evaluator in the process, but that cleanup is not part
of this change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150557 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 86c3ae46250cdcc57778c27826060779a92f3815 |
|
13-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Update constexpr implementation to match CWG's chosen approach for core issues
1358, 1360, 1452 and 1453.
- Instantiations of constexpr functions are always constexpr. This removes the
need for separate declaration/definition checking, which is now gone.
- This makes it possible for a constexpr function to be virtual, if they are
only dependently virtual. Virtual calls to such functions are not constant
expressions.
- Likewise, it's now possible for a literal type to have virtual base classes.
A constexpr constructor for such a type cannot actually produce a constant
expression, though, so add a special-case diagnostic for a constructor call
to such a type rather than trying to evaluate it.
- Classes with trivial default constructors (for which value initialization can
produce a fully-initialized value) are considered literal types.
- Classes with volatile members are not literal types.
- constexpr constructors can be members of non-literal types. We do not yet use
static initialization for global objects constructed in this way.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150359 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 864b1cf13b288c5099911e1265431ffdcac060a4 |
|
10-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Update to new resolution for DR1458. When taking the address of an object of
incomplete class type which has an overloaded operator&, it's now just
unspecified whether the overloaded operator or the builtin is used.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150234 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 2fd5983e0da447291a651a347c206aee37a1de5f |
|
08-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Implement DR1458: Taking the address of an object of incomplete class type is
not a constant expression, because we can't tell whether the complete class type
will have an overloaded operator&.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150066 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 925d8e7c0f18e03dc4bc634b3c6c1ec09373d993 |
|
08-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Implement the agreed resolution to DR1457: a signed left shift of a 1 bit into
the sign bit doesn't have undefined behavior, but a signed left shift of a 1 bit
out of the sign bit still does. As promised to Howard :)
The suppression of the potential constant expression checking in system headers
is also removed, since the problem it was working around is gone.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150059 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 9ec7197796a2730d54ae7f632553b5311b2ba3b5 |
|
05-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: Fix implementation of DR1311: check for volatile qualifiers in
lvalue-to-rvalue conversions on the source type of the conversion, not the
target type (which has them removed for non-class types).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149796 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 282e7e66748cc6dd14d6f7f2cb52e5373c531e61 |
|
04-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
In C++11 mode, when an integral constant expression is desired and we have a
value of class type, look for a unique conversion operator converting to
integral or unscoped enumeration type and use that. Implements [expr.const]p5.
Sema::VerifyIntegerConstantExpression now performs the conversion and returns
the converted result. Some important callers of Expr::isIntegralConstantExpr
have been switched over to using it (including all of those required for C++11
conformance); this switch brings a side-benefit of improved diagnostics and, in
several cases, simpler code. However, some language extensions and attributes
have not been moved across and will not perform implicit conversions on
constant expressions of literal class type where an ICE is required.
In passing, fix static_assert to perform a contextual conversion to bool on its
argument.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149776 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| f15fda02e9c8c82b4a716618f4010b9af8bff796 |
|
02-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr:
* support the gcc __builtin_constant_p() ? ... : ... folding hack in C++11
* check for unspecified values in pointer comparisons and pointer subtractions
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149578 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 15efc4d597a47e6ba5794d4fd8d561bf6947233c |
|
01-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: check for overflow in pointer subtraction.
This is a mess. According to the C++11 standard, pointer subtraction only has
undefined behavior if the difference of the array indices does not fit into a
ptrdiff_t.
However, common implementations effectively perform a char* subtraction first,
and then divide the result by the element size, which can cause overflows in
some cases. Those cases are not considered to be undefined behavior by this
change; perhaps they should be.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149490 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 7b48a2986345480241f3b8209f71bb21b0530b4f |
|
01-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: overflow checking for integral and floating-point arithmetic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149473 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| b04035a7b1a3c9b93cea72ae56dd2ea6e787bae9 |
|
01-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: require 'this' to point to an object in a constexpr method call.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149467 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 3df61308ddfbdba0897b762a129b5a38750c87d0 |
|
01-Feb-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: Treat INT_MIN % -1 as undefined behavior in C++11. Technically, it
isn't, but this is just a (reported) defect in the wording.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149448 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 82f28583b8e81ae9b61635a0652f6a45623df16d |
|
31-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: the result of a relational operator between pointers to void is
unspecified unless the pointers are equal; therefore, such a comparison is not
a constant expression unless the pointers are equal.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149366 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 789f9b6be5df6e5151ac35e68416cdf550db1196 |
|
31-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: catch a collection of integral undefined behaviors:
-INT_MIN and INT_MIN / -1
Shift by a negative or too large quantity
Left shift of negative value
Overflow in left shift
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149344 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 395f1c08ff720be7df6535a86df14b6d36a2d57a |
|
31-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: remove integral conversion overflow checking introduced in r149286.
As Eli points out, this is implementation-defined, and the way we define it
makes this fine.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149327 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| f72fccf533bca206af8e75d041c29db99e6a7f2c |
|
30-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: disallow signed integer overflow in integral conversions in constant
expressions in C++11.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149286 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 8ef7b203332b0c8d65876a1f5e6d1db4e6f40e4b |
|
19-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: converted constant expression handling for enumerator values, case
values and non-type template arguments of integral and enumeration types.
This change causes some legal C++98 code to no longer compile in C++11 mode, by
enforcing the C++11 rule that narrowing integral conversions are not permitted
in the final implicit conversion sequence for the above cases.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148439 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 244ee7b89a483fd3764637abdf95de2893b437d0 |
|
15-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Pedantic diagnostic correction: in C++, we have integral constant expressions,
not integer constant expressions. In passing, fix the 'folding is an extension'
diagnostic to not claim we're accepting the code, since that's not true in
-pedantic-errors mode, and add this diagnostic to -Wgnu.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148209 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 61e616206413d1779c7545c7a8ad1ce1129ad9c1 |
|
12-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Allow constant-folding of references which were formed in a manner not permitted
in a constant expression, for compatibility with g++.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148020 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| b4e85ed51905fc94378d7b4ff62b06e0d08042b7 |
|
06-Jan-2012 |
Richard Smith <richard-llvm@metafoo.co.uk> |
C++11 generalized constant expressions: implement checking and diagnostics for
pointer-arithmetic-related undefined behavior and unspecified results. We
continue to fold such values, but now notice they aren't constant expressions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147659 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 51201882382fb40c9456a06c7f93d6ddd4a57712 |
|
30-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Unrevert r147271, reverted in r147361.
Also temporarily remove the assumption from IR gen that we can emit IR for every
constant we can fold, since it isn't currently true in C++11, to fix PR11676.
Original comment from r147271:
constexpr: perform zero-initialization prior to / instead of performing a
constructor call when appropriate. Thanks to Eli for spotting this.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147384 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| f8c2a33b6e47c494b83e68f02f4ee67ca8fd8e3b |
|
30-Dec-2011 |
Rafael Espindola <rafael.espindola@gmail.com> |
Revert r147271. This fixes PR11676.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147362 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 47d2145675099893d702be4bc06bd9f26d8ddd13 |
|
27-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: support for evaluation and codegen of typeid constants.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147290 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| eba05b2e396e1474f7bd6e8e8e1bd7752effef4d |
|
25-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: perform zero-initialization prior to / instead of performing a
constructor call when appropriate. Thanks to Eli for spotting this.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147271 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 7098cbd601ad915aed22d4b5850da99359f25bf3 |
|
21-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr: diagnostic improvements for invalid lvalue-to-rvalue conversions in
constant expressions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147035 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 099e7f647ccda915513f2b2ec53352dc756082d3 |
|
19-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
constexpr handling improvements. Produce detailed diagnostics when a 'constexpr'
variable is initialized by a non-constant expression, and pass in the variable
being declared so that earlier-initialized fields' values can be used.
Rearrange VarDecl init evaluation to make this possible, and in so doing fix a
long-standing issue in our C++ constant expression handling, where we would
mishandle cases like:
extern const int a;
const int n = a;
const int a = 5;
int arr[n];
Here, n is not initialized by a constant expression, so can't be used in an ICE,
even though the initialization expression would be an ICE if it appeared later
in the TU. This requires computing whether the initializer is an ICE eagerly,
and saving that information in PCH files.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146856 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 1e7fc3d31e17fbe314f86de96aac6e9a2f297167 |
|
16-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Reduce recursion limit on this test further to try to make the msys bot green.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146759 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 08d6e032a2a0a8656d12b3b7b93942987bb12eb7 |
|
16-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
C++11 constexpr: Add note stacks containing backtraces if constant evaluation
fails within a call to a constexpr function. Add -fconstexpr-backtrace-limit
argument to driver and frontend, to control the maximum number of notes so
produced (default 10). Fix APValue printing to be able to pretty-print all
APValue types, and move the testing for this functionality from a unittest to
a -verify test now that it's visible in clang's output.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146749 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 0a36512b175103d60020aaa857363dca33f36558 |
|
14-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Halve the constexpr recursion depth in this test in an attempt to make the
freebsd bots happy. In the longer term, we should have a mechanism for moving
constexpr recursion off the call stack, to support the default limit of 512
suggested by the standard.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146596 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| c1c5f27c64dfc3332d53ad30e44d626e4f9afac3 |
|
13-Dec-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Add checks and diagnostics for many of the cases which C++11 considers to not
be constant expressions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146479 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
|
| 762bb9d0ad20320b9f97a841dce57ba5e8e48b07 |
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14-Oct-2011 |
Richard Smith <richard-llvm@metafoo.co.uk> |
Update all tests other than Driver/std.cpp to use -std=c++11 rather than
-std=c++0x. Patch by Ahmed Charles!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141900 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
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| 63fe6814f339df30b8463b39995947cbdf920e48 |
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24-May-2011 |
Douglas Gregor <dgregor@apple.com> |
Implement the initial part of C++0x [expr.const]p2, which specifies
that the unevaluated subexpressions of &&, ||, and ? : are not
considered when determining whether the expression is a constant
expression. Also, turn the "used in its own initializer" warning into
a runtime-behavior warning, so that it doesn't fire when a variable is
used as part of an unevaluated subexpression of its own initializer.
Fixes PR9999.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131968 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/CXX/expr/expr.const/p2-0x.cpp
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