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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Sema/knr-def-call.c
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
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diff --git a/clang/test/Sema/knr-def-call.c b/clang/test/Sema/knr-def-call.c
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+// 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}}
+}