forked from OSchip/llvm-project
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
// RUN: clang %s -fsyntax-only -Xclang -verify -pedantic -fpascal-strings
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#include <stdint.h>
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#include <limits.h>
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int a() {int p; *(1 ? &p : (void*)(0 && (a(),1))) = 10;} // expected-error {{incomplete type 'void' is not assignable}}
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// rdar://6091492 - ?: with __builtin_constant_p as the operand is an i-c-e.
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int expr;
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char w[__builtin_constant_p(expr) ? expr : 1];
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// __builtin_constant_p as the condition of ?: allows arbitrary foldable
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// constants to be transmogrified into i-c-e's.
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char b[__builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+2.0) : -1];
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struct c {
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int a : ( // expected-error {{expression is not an integer constant expression}}
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__builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+
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expr // expected-note {{subexpression not valid in an integer constant expression}}
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) : -1);
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};
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void test1(int n, int* p) { *(n ? p : (void *)(7-7)) = 1; }
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void test2(int n, int* p) { *(n ? p : (void *)0) = 1; }
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char array[1024/(sizeof (long))];
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int x['\xBb' == (char) 187 ? 1: -1];
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// PR1992
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void func(int x)
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{
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switch (x) {
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case sizeof("abc"): break;
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case sizeof("loooong"): func(4);
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case sizeof("\ploooong"): func(4);
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}
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}
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// rdar://4213768
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int expr;
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char y[__builtin_constant_p(expr) ? -1 : 1];
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char z[__builtin_constant_p(4) ? 1 : -1];
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// Comma tests
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int comma1[0?1,2:3];
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int comma2[1||(1,2)];
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int comma3[(1,2)]; // expected-warning {{size of static array must be an integer constant expression}}
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// Pointer + __builtin_constant_p
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char pbcp[__builtin_constant_p(4) ? (intptr_t)&expr : 0]; // expected-error {{variable length array declaration not allowed at file scope}}
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int illegaldiv1[1 || 1/0];
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int illegaldiv2[1/0]; // expected-error {{variable length array declaration not allowed at file scope}}
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int illegaldiv3[INT_MIN / -1]; // expected-error {{variable length array declaration not allowed at file scope}}
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int chooseexpr[__builtin_choose_expr(1, 1, expr)];
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int realop[(__real__ 4) == 4 ? 1 : -1];
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int imagop[(__imag__ 4) == 0 ? 1 : -1];
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