https://llvm.org/bugs/show_bug.cgi?id=24362
Bug ID: 24362
Summary: compiler fails with 'segmentation fault' after a
nested return of lambda functions on Windows
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
================ENVIRONMENT====================
OS: Windows
clang: trunk
================REPRODUCER======================
auto&& x = []{return []{return 37;};}; //line#1
auto&& y = x(); //line#2
=================OUTPUT=========================
clang.EXE: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.8.0 (cfe/trunk 243859)
Target: x86_64-pc-windows-msvc
Thread model: posix
clang.EXE: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang.EXE: note: diagnostic msg:
=================EXTRA INFORMATION==================
In this case Clang fails with a segmentation fault after a nested return of
lamda-functions. Note, that it can be reproduced only on Windows, because on
Linux this code is correctly compiled. Line#1 is compiled correctly without a
call of function x() even on Windows. But after trying to initialize a new
variable with a return value of this lambda function, compiler fails with
segmentation fault.
--------------------
Intel Software Engineer
Andrey Kuleshov
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