diff options
Diffstat (limited to 'clang/lib/Sema/SemaChecking.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaChecking.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index c66b8da6fbc..9dd03133b99 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -4297,6 +4297,17 @@ void Sema::CheckArrayAccess(const Expr *BaseExpr, const Expr *IndexExpr, << IndexExpr->getSourceRange()); } + if (!ND) { + // Try harder to find a NamedDecl to point at in the note. + while (const ArraySubscriptExpr *ASE = + dyn_cast<ArraySubscriptExpr>(BaseExpr)) + BaseExpr = ASE->getBase()->IgnoreParenCasts(); + if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BaseExpr)) + ND = dyn_cast<NamedDecl>(DRE->getDecl()); + if (const MemberExpr *ME = dyn_cast<MemberExpr>(BaseExpr)) + ND = dyn_cast<NamedDecl>(ME->getMemberDecl()); + } + if (ND) DiagRuntimeBehavior(ND->getLocStart(), BaseExpr, PDiag(diag::note_array_index_out_of_bounds) |
