https://bugs.llvm.org/show_bug.cgi?id=39991
Bug ID: 39991
Summary: Memory leaks detected when running check-clangd with
ASan
Product: clang-tools-extra
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: clangd
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Running check-clangd with ASan leads to the following tests failing due to
indirect memory leaks:
Failing Tests (5):
Extra Tools Unit Tests ::
clangd/./ClangdTests/ClangdUnitTest.GetBeginningOfIdentifier
Extra Tools Unit Tests :: clangd/./ClangdTests/FindReferences.WithinAST
Extra Tools Unit Tests :: clangd/./ClangdTests/GoToDefinition.All
Extra Tools Unit Tests :: clangd/./ClangdTests/Hover.All
Extra Tools Unit Tests :: clangd/./ClangdTests/SymbolInfoTests.All
I built, and ran the test, using:
cmake -G Ninja -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DLLVM_ENABLE_ASSERTIONS=ON \
-DLLVM_USE_LINKER=gold \
-DLLVM_USE_SANITIZER=Address \
${LLVM_DIR}
ninja -C build-sana check-clangd
I have seen this a Ubuntu 16.04.5 machine using clang 6.0 installed from apt,
and on a Ubuntu 14.04.5 machine with a custom built clang 5.0 installation.
A bisect shows that the leaks started showing with the following commit:
r346488 | sammccall | 2018-11-09 13:56:49 +0100 (fre, 09 nov 2018) | 17 lines
[clangd] Make TestTU build with preamble, and fix the fallout.
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