From: Douglas Gregor <dgregor@apple.com>
Date: Wed, 18 Feb 2009 17:23:05 +0000 (+0000)
Subject: Add an unavailable __tg_promote function to attract incorrect uses of type-generic... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c13c0125a0543f0d994b63a5c3d2474ac12d632d;p=clang

Add an unavailable __tg_promote function to attract incorrect uses of type-generic macros, rom Howard Hinnant.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64919 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Headers/tgmath.h b/lib/Headers/tgmath.h
index cf8994fc8f..f64f117d2f 100644
--- a/lib/Headers/tgmath.h
+++ b/lib/Headers/tgmath.h
@@ -37,6 +37,9 @@
 
 // promotion
 
+typedef void _Argument_type_is_not_arithmetic;
+static _Argument_type_is_not_arithmetic __tg_promote(...) \
+  __attribute__((__unavailable__,__overloadable__));
 static double               _TG_ATTRSp __tg_promote(int);
 static double               _TG_ATTRSp __tg_promote(unsigned int);
 static double               _TG_ATTRSp __tg_promote(long);