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authorNico Weber <nicolasweber@gmx.de>2017-01-25 16:01:32 +0000
committerNico Weber <nicolasweber@gmx.de>2017-01-25 16:01:32 +0000
commitbf900fb167e1e4c0037142fd8161c20afdc6b3a9 (patch)
tree166336c171c81f23b18056a2b71d1fe9bfc2c909
parent281837fef458eab3b3de82646e7e086cd2f2b518 (diff)
downloadclang-bf900fb167e1e4c0037142fd8161c20afdc6b3a9.tar.gz
Clarify how to forward-declare __llvm_profile symbols.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@293065 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--docs/SourceBasedCodeCoverage.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/SourceBasedCodeCoverage.rst b/docs/SourceBasedCodeCoverage.rst
index abb682355b..8e72b2287e 100644
--- a/docs/SourceBasedCodeCoverage.rst
+++ b/docs/SourceBasedCodeCoverage.rst
@@ -256,6 +256,8 @@ without using static initializers, do this manually:
otherwise. Calling this function multiple times appends profile data to an
existing on-disk raw profile.
+In C++ files, declare these as ``extern "C"``.
+
Collecting coverage reports for the llvm project
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