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-rw-r--r--test/Sema/conditional-expr.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/Sema/conditional-expr.c b/test/Sema/conditional-expr.c
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+++ b/test/Sema/conditional-expr.c
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+// RUN: clang-cc -fsyntax-only -verify -pedantic %s
+void foo() {
+ *(0 ? (double *)0 : (void *)0) = 0;
+ // FIXME: GCC doesn't consider the the following two statements to be errors.
+ *(0 ? (double *)0 : (void *)(int *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
+ *(0 ? (double *)0 : (void *)(double *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
+ *(0 ? (double *)0 : (int *)(void *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}} expected-warning {{pointer type mismatch ('double *' and 'int *')}}
+ *(0 ? (double *)0 : (double *)(void *)0) = 0;
+ *((void *) 0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
+ double *dp;
+ int *ip;
+ void *vp;
+
+ dp = vp;
+ vp = dp;
+ ip = dp; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}}
+ dp = ip; // expected-warning {{incompatible pointer types assigning 'int *', expected 'double *'}}
+ dp = 0 ? (double *)0 : (void *)0;
+ vp = 0 ? (double *)0 : (void *)0;
+ ip = 0 ? (double *)0 : (void *)0; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}}
+
+ const int *cip;
+ vp = (0 ? vp : cip); // expected-warning {{discards qualifiers}}
+ vp = (0 ? cip : vp); // expected-warning {{discards qualifiers}}
+
+ int i = 2;
+ int (*pf)[2];
+ int (*pv)[i];
+ pf = (i ? pf : pv);
+
+ enum {xxx,yyy,zzz} e, *ee;
+ short x;
+ ee = ee ? &x : ee ? &i : &e; // expected-warning {{pointer type mismatch}}
+
+ typedef void *asdf;
+ *(0 ? (asdf) 0 : &x) = 10;
+}
+
+int Postgresql() {
+ char x;
+ return ((((&x) != ((void *) 0)) ? (*(&x) = ((char) 1)) : (void) ((void *) 0)), (unsigned long) ((void *) 0)); // expected-warning {{C99 forbids conditional expressions with only one void side}}
+}
+
+#define nil ((void*) 0)
+
+extern int f1(void);
+
+int f0(int a) {
+ // GCC considers this a warning.
+ return a ? f1() : nil; // expected-warning {{pointer/integer type mismatch in conditional expression ('int' and 'void *')}} expected-warning {{incompatible pointer to integer conversion returning 'void *', expected 'int'}}
+}