PR3443: Add stpcpy builtin (plus a few other related builtins).  Yes, 
we're still missing a mechanism to disable these in strict mode, but 
that's not a new issue.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72936 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/AST/Builtins.def b/include/clang/AST/Builtins.def
index 1baee6d..c2f4061 100644
--- a/include/clang/AST/Builtins.def
+++ b/include/clang/AST/Builtins.def
@@ -369,6 +369,11 @@
 // Non-C library functions
 // FIXME: Non-C-standard stuff shouldn't be builtins in non-GNU mode!
 LIBBUILTIN(alloca, "v*z",         "f",     "stdlib.h")
+// POSIX string.h
+LIBBUILTIN(stpcpy, "c*c*cC*",     "f",     "string.h")
+LIBBUILTIN(stpncpy, "c*c*cC*z",   "f",     "string.h")
+LIBBUILTIN(strdup, "c*cC*",       "f",     "string.h")
+LIBBUILTIN(strndup, "c*cC*z",     "f",     "string.h")
 // POSIX strings.h
 LIBBUILTIN(index, "c*cC*i",       "f",     "strings.h")
 LIBBUILTIN(rindex, "c*cC*i",      "f",     "strings.h")