From ef915aab0ac566c55bfb0d7a9f6635bb5d94d4af Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 26 Jun 2017 20:33:12 +0000 Subject: Vendor import of clang trunk r306325: https://llvm.org/svn/llvm-project/cfe/trunk@306325 --- docs/SourceBasedCodeCoverage.rst | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'docs/SourceBasedCodeCoverage.rst') diff --git a/docs/SourceBasedCodeCoverage.rst b/docs/SourceBasedCodeCoverage.rst index 474af30ae30f..805c98794804 100644 --- a/docs/SourceBasedCodeCoverage.rst +++ b/docs/SourceBasedCodeCoverage.rst @@ -274,6 +274,11 @@ To specify an alternate directory for raw profiles, use Drawbacks and limitations ========================= +* Prior to version 2.26, the GNU binutils BFD linker is not able link programs + compiled with ``-fcoverage-mapping`` in its ``--gc-sections`` mode. Possible + workarounds include disabling ``--gc-sections``, upgrading to a newer version + of BFD, or using the Gold linker. + * Code coverage does not handle unpredictable changes in control flow or stack unwinding in the presence of exceptions precisely. Consider the following function: -- cgit v1.3