Add an unreachable code checker.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93287 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index f3093c1..e02dbd6 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -14,6 +14,7 @@
#include "Sema.h"
#include "SemaInit.h"
#include "Lookup.h"
+#include "clang/Analysis/PathSensitive/AnalysisContext.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
@@ -6859,7 +6860,9 @@
CurFunctionNeedsScopeChecking = BSI->SavedFunctionNeedsScopeChecking;
BSI->TheDecl->setBody(body.takeAs<CompoundStmt>());
- CheckFallThroughForBlock(BlockTy, BSI->TheDecl->getBody());
+ AnalysisContext AC(BSI->TheDecl);
+ CheckFallThroughForBlock(BlockTy, BSI->TheDecl->getBody(), AC);
+ CheckUnreachable(AC);
return Owned(new (Context) BlockExpr(BSI->TheDecl, BlockTy,
BSI->hasBlockDeclRefExprs));
}