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| author | Akira Hatanaka <ahatanaka@apple.com> | 2016-10-18 19:05:41 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@apple.com> | 2016-10-18 19:05:41 +0000 |
| commit | 642f799b0dd907bf96ea20eb2a0ca94932605ca3 (patch) | |
| tree | 17d3e1b4ff9d94e048693b8019c05e78a7d0503a /llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | 1e425c9f24f6617b2bd3ab550d4df42dcff8d57d (diff) | |
| download | llvm-642f799b0dd907bf96ea20eb2a0ca94932605ca3.zip llvm-642f799b0dd907bf96ea20eb2a0ca94932605ca3.tar.gz llvm-642f799b0dd907bf96ea20eb2a0ca94932605ca3.tar.bz2 | |
[CodeGen][ObjC] Do not call objc_storeStrong when initializing a
constexpr variable.
When compiling a constexpr NSString initialized with an objective-c
string literal, CodeGen emits objc_storeStrong on an uninitialized
alloca, which causes a crash.
This patch folds the code in EmitScalarInit into EmitStoreThroughLValue
and fixes the crash by calling objc_retain on the string instead of
using objc_storeStrong.
rdar://problem/28562009
Differential Revision: https://reviews.llvm.org/D25547
llvm-svn: 284516
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
0 files changed, 0 insertions, 0 deletions