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-rw-r--r--clang/test/Parser/extension.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/test/Parser/extension.c b/clang/test/Parser/extension.c
new file mode 100644
index 0000000..fd4cf80
--- /dev/null
+++ b/clang/test/Parser/extension.c
@@ -0,0 +1,20 @@
+/* RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify -std=c89
+ */
+
+/* Top level extension marker. */
+
+__extension__ typedef struct
+{
+ long long int quot;
+ long long int rem;
+} lldiv_t;
+
+
+/* Decl/expr __extension__ marker. */
+void bar() {
+ __extension__ int i;
+ int j;
+ __extension__ (j = 10LL);
+ __extension__ j = 10LL; /* expected-warning {{'long long' is an extension}} */
+}
+