File: no_unique_address-alignment.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (24 lines) | stat: -rw-r--r-- 620 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// XFAIL: *

// RUN: %clang --target=x86_64-apple-macosx -c -gdwarf -o %t %s
// RUN: %lldb %t \
// RUN:   -o "expr alignof(OverlappingFields)" \
// RUN:   -o "expr sizeof(OverlappingFields)" \
// RUN:   -o exit | FileCheck %s

// CHECK:      (lldb) expr alignof(OverlappingFields)
// CHECK-NEXT: ${{.*}} = 4
// CHECK:      (lldb) expr sizeof(OverlappingFields)
// CHECK-NEXT: ${{.*}} = 8

struct Empty {};

struct OverlappingFields {
  char y;
  [[no_unique_address]] Empty e;
  int z;
} g_overlapping_struct;
static_assert(alignof(OverlappingFields) == 4);
static_assert(sizeof(OverlappingFields) == 8);

int main() {}