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authorZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
committerZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
commit222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch)
tree7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/Sema/knr-def-call.c
parent3d206f03985b50beacae843d880bccdc91a9f424 (diff)
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/Sema/knr-def-call.c')
-rw-r--r--clang/test/Sema/knr-def-call.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/clang/test/Sema/knr-def-call.c b/clang/test/Sema/knr-def-call.c
new file mode 100644
index 0000000..f41275d
--- /dev/null
+++ b/clang/test/Sema/knr-def-call.c
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -Wconversion -Wliteral-conversion -fsyntax-only -verify %s
+
+// C DR #316, PR 3626.
+void f0(a, b, c, d) int a,b,c,d; {}
+void t0(void) {
+ f0(1); // expected-warning{{too few arguments}}
+}
+
+void f1(a, b) int a, b; {}
+void t1(void) {
+ f1(1, 2, 3); // expected-warning{{too many arguments}}
+}
+
+void f2(float); // expected-note{{previous declaration is here}}
+void f2(x) float x; { } // expected-warning{{promoted type 'double' of K&R function parameter is not compatible with the parameter type 'float' declared in a previous prototype}}
+
+typedef void (*f3)(void);
+f3 t3(int b) { return b? f0 : f1; } // okay
+
+// <rdar://problem/8193107>
+void f4() {
+ char *rindex();
+}
+
+char *rindex(s, c)
+ register char *s, c; // expected-warning{{promoted type 'char *' of K&R function parameter is not compatible with the parameter type 'const char *' declared in a previous prototype}}
+{
+ return 0;
+}
+
+// PR8314
+void proto(int);
+void proto(x)
+ int x;
+{
+}
+
+void use_proto() {
+ proto(42.1); // expected-warning{{implicit conversion turns literal floating-point number into integer}}
+ (&proto)(42.1); // expected-warning{{implicit conversion turns literal floating-point number into integer}}
+}