Szelethus added inline comments.

================
Comment at: 
clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp:435-442
+  const VarDecl *VD;
+  if (const auto *VR =
+      dyn_cast<VarRegion>(cast<SymbolRegionValue>(Sym)->getRegion())) {
+    VD = cast<VarDecl>(VR->getDecl());
+  } else if (const auto *PR =
+             dyn_cast<ParamRegion>(cast<SymbolRegionValue>(Sym)->getRegion())) 
{
+    VD = cast<ParmVarDecl>(PR->getDecl());
----------------
baloghadamsoftware wrote:
> Szelethus wrote:
> > Hmm. So, the surrounding code definitely suggests that we're definitely 
> > finishing for a parameter here, but it isn't always a parameter region? I 
> > know you struggled with this, have you gained any insight as to why?
> Not all regions for `ParmVarDecl` are `ParamRegions`. Exceptions are 
> parameters captured by a lambda or a block as well as parameters of functions 
> analyzed top-level.
That would be a lovely unit test case! :)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79704/new/

https://reviews.llvm.org/D79704



_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to