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Jeremy Morse c476124bc8 [DebugInfo] Avoid crash from dropped fragments in LiveDebugValues 
This patch avoids a crash caused by DW_OP_LLVM_fragments being dropped
from DIExpressions by LiveDebugValues spill-restore code. The appearance
of a previously unseen fragment configuration confuses LDV, as documented
in PR42773, and reproduced by the test function this patch adds (Crashes
on a x86_64 debug build).

To avoid this, on spill restore, we now use fragment information from the
spilt-location-expression.

In addition, when spilling, we now don't spill any DBG_VALUE with a complex
expression, as it can't be safely restored and will definitely lead to an
incorrect variable location. The discussion of this is in D65368.

Differential Revision: https://reviews.llvm.org/D66284

llvm-svn: 369026
 		2019-08-15 17:49:46 +00:00
clang Test commit #2. 2019-08-15 17:17:21 +00:00
clang-tools-extra [clangd] Don't use Bind() where C++14 move capture works 2019-08-15 14:16:06 +00:00
compiler-rt [sanitizer_common] Always use posix_spawn on Darwin 2019-08-15 17:25:10 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-27 20:38:37 +00:00
libclc Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
libcxx Fix thread comparison by making sure we never pass our special 'not a thread' value to the underlying implementation. Fixes PR#42918. 2019-08-14 20:54:56 +00:00
libcxxabi [libcxxabi] Define _LIBCXXABI_GUARD_ABI_ARM on WebAssembly 2019-08-14 01:30:48 +00:00
libunwind [runtimes] Don't depend on libpthread on Android 2019-07-22 20:41:03 +00:00
lld Fix lld on GCC 5.1 after the C++14 move 2019-08-15 17:47:19 +00:00
lldb [lldb][NFC] Refactor remaining completion logic to use CompletionRequests 2019-08-15 13:14:10 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [DebugInfo] Avoid crash from dropped fragments in LiveDebugValues 2019-08-15 17:49:46 +00:00
openmp [OpenMP] Enable warning about "implicit fallthrough" 2019-08-15 13:26:55 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [Polly] Migrate llvm::make_unique to std::make_unique 2019-08-14 22:28:12 +00:00
pstl [pstl] Allow customizing whether per-TU insulation is provided 2019-08-13 12:49:00 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Change /build to /build* in top-level .gitignore. 2019-08-02 02:14:08 +00:00
README.md
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README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.