Add the clang library to the repo (with some of my changes, too).

1 files changed, 50 insertions, 0 deletions

diff --git a/clang/test/Sema/overloadable-complex.c b/clang/test/Sema/overloadable-complex.c
new file mode 100644
index 0000000..efdeb8f
--- /dev/null
+++ b/clang/test/Sema/overloadable-complex.c
@@ -0,0 +1,50 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+char *foo(float) __attribute__((__overloadable__));
+
+void test_foo_1(float fv, double dv, float _Complex fc, double _Complex dc) {
+  char *cp1 = foo(fv);
+  char *cp2 = foo(dv);
+  // Note: GCC and EDG reject these two, but they are valid C99 conversions
+  char *cp3 = foo(fc);
+  char *cp4 = foo(dc);
+}
+
+int *foo(float _Complex) __attribute__((__overloadable__));
+
+void test_foo_2(float fv, double dv, float _Complex fc, double _Complex dc) {
+  char *cp1 = foo(fv);
+  char *cp2 = foo(dv);
+  int *ip = foo(fc);
+  int *lp = foo(dc);
+}
+
+long *foo(double _Complex) __attribute__((__overloadable__));
+
+void test_foo_3(float fv, double dv, float _Complex fc, double _Complex dc) {
+  char *cp1 = foo(fv);
+  char *cp2 = foo(dv);
+  int *ip = foo(fc);
+  long *lp = foo(dc);
+}
+
+char *promote_or_convert(double _Complex) __attribute__((__overloadable__));  // expected-note 2 {{candidate function}}
+int *promote_or_convert(long double _Complex) __attribute__((__overloadable__)); // expected-note 2 {{candidate function}} 
+
+void test_promote_or_convert(float f, float _Complex fc) {
+  char *cp = promote_or_convert(fc); // expected-error{{call to 'promote_or_convert' is ambiguous}}
+  int *ip2 = promote_or_convert(f); // expected-error{{call to 'promote_or_convert' is ambiguous}}
+}
+
+char *promote_or_convert2(float) __attribute__((__overloadable__));
+int *promote_or_convert2(double _Complex) __attribute__((__overloadable__));
+
+void test_promote_or_convert2(float _Complex fc) {
+  int *cp = promote_or_convert2(fc);
+}
+
+char *promote_or_convert3(int _Complex) __attribute__((__overloadable__));
+int *promote_or_convert3(long _Complex) __attribute__((__overloadable__));
+
+void test_promote_or_convert3(short _Complex sc) {
+  char *cp = promote_or_convert3(sc);
+}