diff options
| author | Stephan Bergmann <sbergman@redhat.com> | 2021-12-17 23:53:34 +0100 |
|---|---|---|
| committer | Stephan Bergmann <sbergman@redhat.com> | 2021-12-18 07:42:35 +0100 |
| commit | 5804d0a2b94b34ca9cdfb8f75065d008f582be7e (patch) | |
| tree | 039a115a055db8ddfb679400a6fff78be111611e /compilerplugins | |
| parent | 1addd8c104f6ad390bdd0ca61cd5ce97b55ce218 (diff) | |
Fix loplugin:unusedvariablecheck
...after a214369f14d3f53d45b1889827057882c0ffd62e "loplugin:unusedvariablecheck
improve", so that it doesn't cause false positives for
> CoIfPtr<IADsADSystemInfo> aADsysGuard(pADsys);
and
> CoIfPtr<IADsUser> pUserGuard(pUser);
in (Windows-only) extensions/source/config/WinUserInfo/WinUserInfoBe.cxx, where
the CoIfPtr default constructor is
> CoIfPtr(If* p = nullptr)
Change-Id: I6107fa8d8aa7244b2fc5c50df2baea5096d46214
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127017
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Diffstat (limited to 'compilerplugins')
| -rw-r--r-- | compilerplugins/clang/test/unusedvariablecheck.cxx | 7 | ||||
| -rw-r--r-- | compilerplugins/clang/unusedvariablecheck.cxx | 3 |
2 files changed, 9 insertions, 1 deletions
diff --git a/compilerplugins/clang/test/unusedvariablecheck.cxx b/compilerplugins/clang/test/unusedvariablecheck.cxx index e53da1be40a8..b020fba3eb4e 100644 --- a/compilerplugins/clang/test/unusedvariablecheck.cxx +++ b/compilerplugins/clang/test/unusedvariablecheck.cxx @@ -19,6 +19,11 @@ namespace template <typename T> using Vec = std::vector<T>; } +struct S : std::unique_ptr<int> +{ + S(int* = nullptr); +}; + int main() { std::list<int> v1; // expected-error {{unused variable 'v1' [loplugin:unusedvariablecheck]}} @@ -26,6 +31,8 @@ int main() Vec<int> v3; // expected-error {{unused variable 'v3' [loplugin:unusedvariablecheck]}} std::unique_ptr<int> v4; // expected-error {{unused variable 'v4' [loplugin:unusedvariablecheck]}} + S v5; // expected-error {{unused variable 'v5' [loplugin:unusedvariablecheck]}} + S v6(nullptr); } /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ diff --git a/compilerplugins/clang/unusedvariablecheck.cxx b/compilerplugins/clang/unusedvariablecheck.cxx index 73529e118bf4..c3adfa5b726e 100644 --- a/compilerplugins/clang/unusedvariablecheck.cxx +++ b/compilerplugins/clang/unusedvariablecheck.cxx @@ -106,7 +106,8 @@ bool UnusedVariableCheck::isUnusedSmartPointer( const VarDecl* var ) auto cxxConstructExpr = dyn_cast<CXXConstructExpr>(var->getInit()); if (!cxxConstructExpr) return false; - return cxxConstructExpr->getConstructor()->isDefaultConstructor(); + return + cxxConstructExpr->getNumArgs() == 0 || cxxConstructExpr->getArg(0)->isDefaultArgument(); } static Plugin::Registration< UnusedVariableCheck > unusedvariablecheck( "unusedvariablecheck" ); |