fix format specifier fixit for printf("%ld", "foo");

It should reset the length modifier (unless it's a wchar_t string).

llvm-svn: 146252

clang/lib/Analysis/PrintfFormatString.cpp

@@ -366,6 +366,8 @@ bool PrintfSpecifier::fixType(QualType QT, const LangOptions &LangOpt) {
     // Set the long length modifier for wide characters
     if (QT->getPointeeType()->isWideCharType())
       LM.setKind(LengthModifier::AsWideChar);
+    else
+      LM.setKind(LengthModifier::None);
 
     return true;
   }

clang/test/Sema/format-strings-fixit.c

@@ -42,7 +42,7 @@ void test() {
   // Bad length modifiers
   printf("%hhs", "foo");
   printf("%1$zp", (void *)0);
-  
+
   // Perserve the original formatting for unsigned integers.
   unsigned long val = 42;
   printf("%X", val);
@@ -57,6 +57,9 @@ void test() {
   printf("%f", (intmax_t) 42);
   printf("%f", (uintmax_t) 42);
   printf("%f", (ptrdiff_t) 42);
+
+  // string
+  printf("%ld", "foo");
 }
 
 // Validate the fixes...
@@ -83,3 +86,4 @@ void test() {
 // CHECK: printf("%jd", (intmax_t) 42);
 // CHECK: printf("%ju", (uintmax_t) 42);
 // CHECK: printf("%td", (ptrdiff_t) 42);
+// CHECK: printf("%s", "foo");