https://bugs.llvm.org/show_bug.cgi?id=43462
Bug ID: 43462
Summary: Null pointer dereference warning inside PrintActions1
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: llvm-...@redking.me.uk
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
llvm-project\clang\lib\Driver\Driver.cpp
Clang static analyzer is warning that we might be dereferencing a null pointer
to 'const ToolChain *TC' inside PrintActions1:
https://llvm.org/reports/scan-build/report-Driver.cpp-operator()-13-1.html#EndPath
const ToolChain *TC;
....
if (TC)
os << A->getOffloadingKindPrefix();
else
os << "host";
os << " (";
os << TC->getTriple().normalize();
Code coverage indicates that the !TC path is never taken in testsuite, and a
quick inspection of doOnHostDependence and doOnEachDeviceDependence suggests we
shouldn't ever call it with TC == null, so maybe we should just assert that TC
is not null and remove the 'host' case?
http://lab.llvm.org:8080/coverage/coverage-reports/clang/coverage/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/clang/lib/Driver/Driver.cpp.html
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