163 lines
3.7 KiB
C
163 lines
3.7 KiB
C
// RUN: %clang_cc1 %s -verify -fsyntax-only -ffreestanding
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#include <stddef.h>
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#include <stdint.h>
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typedef void (* fp)(void);
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void foo(void);
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// PR clang/3377
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fp a[(short int)1] = { foo };
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int myArray[5] = {1, 2, 3, 4, 5};
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int *myPointer2 = myArray;
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int *myPointer = &(myArray[2]);
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extern int x;
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void *g = &x;
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int *h = &x;
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struct union_crash
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{
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union
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{
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};
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};
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int test() {
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int a[10];
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int b[10] = a; // expected-error {{array initializer must be an initializer list}}
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int +; // expected-error {{expected identifier or '('}}
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struct union_crash u = { .d = 1 }; // expected-error {{field designator 'd' does not refer to any field in type 'struct union_crash'}}
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}
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// PR2050
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struct cdiff_cmd {
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const char *name;
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unsigned short argc;
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int (*handler)();
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};
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int cdiff_cmd_open();
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struct cdiff_cmd commands[] = {
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{"OPEN", 1, &cdiff_cmd_open }
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};
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// PR2348
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static struct { int z; } s[2];
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int *t = &(*s).z;
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// PR2349
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short *a2(void)
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{
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short int b;
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static short *bp = &b; // expected-error {{initializer element is not a compile-time constant}}
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return bp;
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}
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int pbool(void) {
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typedef const _Bool cbool;
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_Bool pbool1 = (void *) 0;
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cbool pbool2 = &pbool;
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return pbool2;
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}
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// rdar://5870981
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union { float f; unsigned u; } u = { 1.0f };
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// rdar://6156694
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int f3(int x) { return x; }
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typedef void (*vfunc)(void);
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void *bar = (vfunc) f3;
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// PR2747
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struct sym_reg {
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char nc_gpreg;
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};
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int sym_fw1a_scr[] = {
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((int)(&((struct sym_reg *)0)->nc_gpreg)) & 0,
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8 * ((int)(&((struct sym_reg *)0)->nc_gpreg))
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};
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// PR3001
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struct s1 s2 = { // expected-error {{variable has incomplete type 'struct s1'}} \
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// expected-note {{forward declaration of 'struct s1'}}
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.a = sizeof(struct s3), // expected-error {{invalid application of 'sizeof'}} \
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// expected-note{{forward declaration of 'struct s3'}}
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.b = bogus // expected-error {{use of undeclared identifier 'bogus'}}
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}
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// PR3382
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char t[] = ("Hello");
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// <rdar://problem/6094855>
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typedef struct { } empty;
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typedef struct {
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empty e;
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int i2;
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} st;
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st st1 = { .i2 = 1 };
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// <rdar://problem/6096826>
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struct {
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int a;
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int z[2];
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} y = { .z = {} };
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int bbb[10];
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struct foo2 {
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uintptr_t a;
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};
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struct foo2 bar2[] = {
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{ (intptr_t)bbb }
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};
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struct foo2 bar3 = { 1, 2 }; // expected-warning{{excess elements in struct initializer}}
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int* ptest1 = __builtin_choose_expr(1, (int*)0, (int*)0);
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typedef int32_t ivector4 __attribute((vector_size(16)));
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ivector4 vtest1 = 1 ? (ivector4){1} : (ivector4){1};
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ivector4 vtest2 = __builtin_choose_expr(1, (ivector4){1}, (ivector4){1});
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uintptr_t ptrasintadd1 = (uintptr_t)&a - 4;
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uintptr_t ptrasintadd2 = (uintptr_t)&a + 4;
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uintptr_t ptrasintadd3 = 4 + (uintptr_t)&a;
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// PR4285
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const wchar_t widestr[] = L"asdf";
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// PR5447
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const double pr5447 = (0.05 < -1.0) ? -1.0 : 0.0499878;
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// PR4386
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// None of these are constant initializers, but we implement GCC's old
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// behaviour of accepting bar and zed but not foo. GCC's behaviour was
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// changed in 2007 (rev 122551), so we should be able to change too one
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// day.
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int PR4386_bar();
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int PR4386_foo() __attribute((weak));
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int PR4386_zed();
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int PR4386_a = ((void *) PR4386_bar) != 0;
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int PR4386_b = ((void *) PR4386_foo) != 0; // expected-error{{initializer element is not a compile-time constant}}
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int PR4386_c = ((void *) PR4386_zed) != 0;
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int PR4386_zed() __attribute((weak));
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// <rdar://problem/10185490> (derived from SPEC vortex benchmark)
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typedef char strty[10];
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struct vortexstruct { strty s; };
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struct vortexstruct vortexvar = { "asdf" };
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typedef struct { uintptr_t x : 2; } StructWithBitfield;
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StructWithBitfield bitfieldvar = { (uintptr_t)&bitfieldvar }; // expected-error {{initializer element is not a compile-time constant}}
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