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Summary:
Per https://wg21.link/CWG1677, the C++11 standard did not clarify that constant
initialization of an object allowed constexpr brace-or-equal initialization of
subobjects:
struct foo_t { union { int i; volatile int j; } u; };
__attribute__((__require_constant_initialization__))
static const foo_t x = {{0}};
Because foo_t::u has a volatile member, the initializer for x fails. However,
there is really no good reason, because this:
union foo_u { int i; volatile int j; };
__attribute__((__require_constant_initialization__))
static const foo_u x = {0};
does have a constant initializer.
(This was triggered by musl's pthread_mutex_t type when building under C++11.)
Reviewers: rsmith
Subscribers: EricWF, cfe-commits
Differential Revision: https://reviews.llvm.org/D28427
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@291480 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@232187 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Update our mangling to match the discussion on cxx-abi-dev.
This involves using a seq-id instead of an optional number.
Reviewers: rsmith
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D3631
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208140 91177308-0d34-0410-b5e6-96231b3b80d8
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GEP expressions were folded differently from before, change the tests to
reflect this.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194243 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174257 91177308-0d34-0410-b5e6-96231b3b80d8
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internal linkage, no uses, trivial construction, and nontrivial destruction
were not emitted.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167756 91177308-0d34-0410-b5e6-96231b3b80d8
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type llvm::ArrayType -- sometimes we emit them as packed structs. Don't assert
if such a global array has an element type with a non-trivial destructor.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155305 91177308-0d34-0410-b5e6-96231b3b80d8
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-std=c++0x. Patch by Ahmed Charles!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141900 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132623 91177308-0d34-0410-b5e6-96231b3b80d8
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(http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20091214/092780.html)
The instruction fixes were checked and approved by Chris Lattner, but
these testcase fixes are mine; please yell at me if there are any
problems with either.
* PR5050-constructor-conversion.cpp
* array-construction.cpp
* constructor-conversion.cpp
* cast-conversion.cpp
* constructor-default-arg.cpp
* derived-to-base-conv.cpp
* ptr-to-member-function.cpp
* call-arg-zero-temp.cpp
* default-destructor-synthesis.cpp
* global-array-destruction.cpp
* array-operator-delete-call.cpp
* decl-ref-init.cpp
* default-constructor-for-members.cpp
* convert-to-fptr.cpp
* constructor-for-array-members.cpp
* conversion-function.cpp
* objc-read-weak-byref.m
Fixed testcase to reflect call qualifier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91640 91177308-0d34-0410-b5e6-96231b3b80d8
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- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
can be useful to redefine what gets run as 'clang -cc1' (for example, to set
a default target).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91446 91177308-0d34-0410-b5e6-96231b3b80d8
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global array of objects.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86701 91177308-0d34-0410-b5e6-96231b3b80d8
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