diff options
Diffstat (limited to 'clang/lib/Sema/SemaStmt.cpp')
-rw-r--r-- | clang/lib/Sema/SemaStmt.cpp | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp index 990e951c3b6..dfcb65a3532 100644 --- a/clang/lib/Sema/SemaStmt.cpp +++ b/clang/lib/Sema/SemaStmt.cpp @@ -165,12 +165,19 @@ Action::OwningStmtResult Sema::ActOnLabelStmt(SourceLocation IdentLoc, IdentifierInfo *II, SourceLocation ColonLoc, StmtArg subStmt) { Stmt *SubStmt = static_cast<Stmt*>(subStmt.release()); + // Look up the record for this label identifier. - LabelStmt *&LabelDecl = LabelMap[II]; + Scope::LabelMapTy::iterator I = ActiveScope->LabelMap.find(II); + LabelStmt *LabelDecl; + // If not forward referenced or defined already, just create a new LabelStmt. - if (LabelDecl == 0) - return Owned(LabelDecl = new (Context) LabelStmt(IdentLoc, II, SubStmt)); + if (I == ActiveScope->LabelMap.end()) { + LabelDecl = new (Context) LabelStmt(IdentLoc, II, SubStmt); + ActiveScope->LabelMap.insert(std::make_pair(II, LabelDecl)); + return Owned(LabelDecl); + } else + LabelDecl = static_cast<LabelStmt *>(I->second); assert(LabelDecl->getID() == II && "Label mismatch!"); @@ -672,11 +679,16 @@ Sema::ActOnGotoStmt(SourceLocation GotoLoc, SourceLocation LabelLoc, return StmtError(Diag(GotoLoc, diag::err_goto_in_block)); // Look up the record for this label identifier. - LabelStmt *&LabelDecl = LabelMap[LabelII]; + Scope::LabelMapTy::iterator I = ActiveScope->LabelMap.find(LabelII); - // If we haven't seen this label yet, create a forward reference. - if (LabelDecl == 0) + LabelStmt *LabelDecl; + + // If not forward referenced or defined already, just create a new LabelStmt. + if (I == ActiveScope->LabelMap.end()) { LabelDecl = new (Context) LabelStmt(LabelLoc, LabelII, 0); + ActiveScope->LabelMap.insert(std::make_pair(LabelII, LabelDecl)); + } else + LabelDecl = static_cast<LabelStmt *>(I->second); return Owned(new (Context) GotoStmt(LabelDecl, GotoLoc, LabelLoc)); } |