commit b94495155dd551ee81ad0c1865acd9ff1bbd632d
author Neil Booth <neil@daikokuya.co.uk> Wed Aug 29 22:00:19 2007 +0000
committer Neil Booth <neil@daikokuya.co.uk> Wed Aug 29 22:00:19 2007 +0000
tree e8f23aa9bc65363a70118b3756c5bf33e7b7e1ba
parent 7dba8607e59096014b7139ff20ef00870041d518

Ensure we diagnose long long literals in C90 mode.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41581 91177308-0d34-0410-b5e6-96231b3b80d8

Lex/PPExpressions.cpp

diff --git a/Lex/PPExpressions.cpp b/Lex/PPExpressions.cpp
index 590c0ee..6793a01 100644
--- a/Lex/PPExpressions.cpp
+++ b/Lex/PPExpressions.cpp
@@ -167,6 +167,11 @@
     }
     assert(Literal.isIntegerLiteral() && "Unknown ppnumber");
 
+    // long long is a C99 feature.
+    if (!PP.getLangOptions().C99 && !PP.getLangOptions().CPlusPlus0x
+	&& Literal.isLongLong)
+      PP.Diag(PeekTok, diag::ext_longlong);
+
     // Parse the integer literal into Result.
     if (Literal.GetIntegerValue(Result)) {
       // Overflow parsing integer literal.