75 lines
2.3 KiB
Mathematica
75 lines
2.3 KiB
Mathematica
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -fobjc-arc -fblocks -fobjc-runtime=ios-11.0 -fsyntax-only -verify %s
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typedef struct {
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id a;
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} Strong;
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void callee_variadic(const char *, ...);
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void test_variadic(void) {
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Strong t;
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callee_variadic("s", t); // expected-error {{cannot pass non-trivial C object of type 'Strong' by value to variadic function}}
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}
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void test_jump0(int cond) {
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switch (cond) {
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case 0:
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;
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Strong x; // expected-note {{jump bypasses initialization of variable of non-trivial C struct type}}
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break;
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case 1: // expected-error {{cannot jump from switch statement to this case label}}
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x.a = 0;
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break;
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}
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}
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void test_jump1(void) {
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static void *ips[] = { &&L0 };
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L0: // expected-note {{possible target of indirect goto}}
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;
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Strong x; // expected-note {{jump exits scope of variable with non-trivial destructor}}
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goto *ips; // expected-error {{cannot jump}}
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}
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typedef void (^BlockTy)(void);
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void func(BlockTy);
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void func2(Strong);
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void test_block_scope0(int cond) {
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Strong x; // expected-note {{jump enters lifetime of block which captures a C struct that is non-trivial to destroy}}
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switch (cond) {
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case 0:
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func(^{ func2(x); });
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break;
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default: // expected-error {{cannot jump from switch statement to this case label}}
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break;
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}
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}
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void test_block_scope1(void) {
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static void *ips[] = { &&L0 };
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L0: // expected-note {{possible target of indirect goto}}
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;
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Strong x; // expected-note {{jump exits scope of variable with non-trivial destructor}} expected-note {{jump exits lifetime of block which captures a C struct that is non-trivial to destroy}}
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func(^{ func2(x); });
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goto *ips; // expected-error {{cannot jump}}
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}
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void test_compound_literal0(int cond, id x) {
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switch (cond) {
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case 0:
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(void)(Strong){ .a = x }; // expected-note {{jump enters lifetime of a compound literal that is non-trivial to destruct}}
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break;
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default: // expected-error {{cannot jump from switch statement to this case label}}
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break;
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}
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}
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void test_compound_literal1(id x) {
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static void *ips[] = { &&L0 };
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L0: // expected-note {{possible target of indirect goto}}
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;
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(void)(Strong){ .a = x }; // expected-note {{jump exits lifetime of a compound literal that is non-trivial to destruct}}
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goto *ips; // expected-error {{cannot jump}}
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}
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