diff options
Diffstat (limited to 'test/SemaCXX/address-packed-member-memops.cpp')
-rw-r--r-- | test/SemaCXX/address-packed-member-memops.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/SemaCXX/address-packed-member-memops.cpp b/test/SemaCXX/address-packed-member-memops.cpp new file mode 100644 index 000000000000..6614626ae65c --- /dev/null +++ b/test/SemaCXX/address-packed-member-memops.cpp @@ -0,0 +1,28 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s +// expected-no-diagnostics + +struct B { + int x, y, z, w; +} b; + +struct __attribute__((packed)) A { + struct B b; +} a; + +typedef __typeof__(sizeof(int)) size_t; + +extern "C" { +void *memcpy(void *dest, const void *src, size_t n); +int memcmp(const void *s1, const void *s2, size_t n); +void *memmove(void *dest, const void *src, size_t n); +void *memset(void *s, int c, size_t n); +} + +int x; + +void foo() { + memcpy(&a.b, &b, sizeof(b)); + memmove(&a.b, &b, sizeof(b)); + memset(&a.b, 0, sizeof(b)); + x = memcmp(&a.b, &b, sizeof(b)); +} |