loplugin:stringconstant also for cases using char const v[] = "..."

Change-Id: Iba38686620624178a7be39d703389402bbcea4cb

1 files changed, 10 insertions, 0 deletions

diff --git a/compilerplugins/clang/stringconstant.cxx b/compilerplugins/clang/stringconstant.cxx
index 5c675a8ae022..2688542fcda5 100644
--- a/compilerplugins/clang/stringconstant.cxx
+++ b/compilerplugins/clang/stringconstant.cxx
@@ -781,6 +781,16 @@ bool StringConstant::isStringConstant(
     {
         return false;
     }
+    DeclRefExpr const * dre = dyn_cast<DeclRefExpr>(expr);
+    if (dre != nullptr) {
+        VarDecl const * var = dyn_cast<VarDecl>(dre->getDecl());
+        if (var != nullptr) {
+            Expr const * init = var->getAnyInitializer();
+            if (init != nullptr) {
+                expr = init->IgnoreParenImpCasts();
+            }
+        }
+    }
     StringLiteral const * lit = dyn_cast<StringLiteral>(expr);
     if (lit != nullptr) {
         if (!lit->isAscii()) {