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-rw-r--r--lib/Analysis/PrintfFormatString.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Analysis/PrintfFormatString.cpp b/lib/Analysis/PrintfFormatString.cpp
index 727de2934f..b8c327cdeb 100644
--- a/lib/Analysis/PrintfFormatString.cpp
+++ b/lib/Analysis/PrintfFormatString.cpp
@@ -281,6 +281,14 @@ ArgTypeResult PrintfSpecifier::getArgType(ASTContext &Ctx) const {
if (!CS.consumesDataArgument())
return ArgTypeResult::Invalid();
+ if (CS.getKind() == ConversionSpecifier::cArg)
+ switch (LM.getKind()) {
+ case LengthModifier::None: return Ctx.IntTy;
+ case LengthModifier::AsLong: return ArgTypeResult::WIntTy;
+ default:
+ return ArgTypeResult::Invalid();
+ }
+
if (CS.isIntArg())
switch (LM.getKind()) {
case LengthModifier::AsLongDouble: