From 3af708ff19e4ae2bf9e40550548361b00e5916bf Mon Sep 17 00:00:00 2001 From: Anders Carlsson Date: Sat, 1 Aug 2009 01:39:59 +0000 Subject: [PATCH] More warnings for unused expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77763 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Sema/SemaStmt.cpp | 2 ++ test/Sema/unused-expr.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp index f00d60089b..65611f2e58 100644 --- a/lib/Sema/SemaStmt.cpp +++ b/lib/Sema/SemaStmt.cpp @@ -649,6 +649,8 @@ Sema::ActOnForStmt(SourceLocation ForLoc, SourceLocation LParenLoc, << SecondType << Second->getSourceRange()); } + DiagnoseUnusedExprResult(First); + DiagnoseUnusedExprResult(Third); DiagnoseUnusedExprResult(Body); first.release(); diff --git a/test/Sema/unused-expr.c b/test/Sema/unused-expr.c index c55afeadc4..8b5d156126 100644 --- a/test/Sema/unused-expr.c +++ b/test/Sema/unused-expr.c @@ -67,6 +67,10 @@ void t4(int a) { for (;;) b == 5; // expected-warning{{expression result unused}} + + for (b == 1;;) {} // expected-warning{{expression result unused}} + for (;b == 1;) {} + for (;;b == 1) {} // expected-warning{{expression result unused}} } -- 2.40.0