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Bug 1689999 - Clean up Windows ASan build instructions r=firefox-source-docs-reviewers,sylvestre DONTBUILD

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These instructions were imported from the MDN page which was written at a time when clang-cl was an unstable non-default. Nowadays it should Just Work so we can cut out some unnecessary verbosity.

Differential Revision: https://phabricator.services.mozilla.com/D103636
This commit is contained in:
David Major 2021-02-01 15:04:24 +00:00
parent 3437ea01ea
commit bb69a13c52
1 changed files with 0 additions and 9 deletions
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9
tools/sanitizer/docs/asan.rst
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@ -94,23 +94,14 @@ Run ``mach bootstrap`` to get an updated clang-cl in your
::
ac_add_options --target=x86_64-pc-mingw32
ac_add_options --host=x86_64-pc-mingw32
ac_add_options --enable-address-sanitizer
ac_add_options --disable-jemalloc
export CC="clang-cl.exe"
export CXX="clang-cl.exe"
export LDFLAGS="clang_rt.asan_dynamic-x86_64.lib clang_rt.asan_dynamic_runtime_thunk-x86_64.lib"
CLANG_LIB_DIR="$(cd ~/.mozbuild/clang/lib/clang/*/lib/windows && pwd)"
export MOZ_CLANG_RT_ASAN_LIB_PATH="${CLANG_LIB_DIR}/clang_rt.asan_dynamic-x86_64.dll"
export LIB=$LIB:$CLANG_LIB_DIR
If you want to use a different LLVM (see the :ref:`clang-cl instructions <Building Firefox On Windows>`),
alter CLANG_LIB_DIR as appropriate.
If you launch an ASan build under WinDbg, you may see spurious
first-chance Access Violation exceptions. These come from ASan creating
shadow memory pages on demand, and can be ignored. Run ``sxi av`` to