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authorChris Lattner <sabre@nondot.org>2010-03-01 21:06:03 +0000
committerChris Lattner <sabre@nondot.org>2010-03-01 21:06:03 +0000
commite6794974b706ddd51e65dcea411a6378a0f16a2e (patch)
tree6af856c27c3108132dc95e21b7ab115937a46763 /lib/Sema/SemaDecl.cpp
parent6d97e5e4b7abdae710c2548b51f4ed0298e86d80 (diff)
fix PR5933: don't warn about unused variables if a function has other errors in it.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97498 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDecl.cpp')
-rw-r--r--lib/Sema/SemaDecl.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index be4a591f29..4842da2a7b 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -553,7 +553,8 @@ void Sema::ActOnPopScope(SourceLocation Loc, Scope *S) {
if (!D->getDeclName()) continue;
// Diagnose unused variables in this scope.
- if (ShouldDiagnoseUnusedDecl(D))
+ if (ShouldDiagnoseUnusedDecl(D) &&
+ NumErrorsAtStartOfFunction == getDiagnostics().getNumErrors())
Diag(D->getLocation(), diag::warn_unused_variable) << D->getDeclName();
// Remove this name from our lexical scope.