llvm-project/clang/test/Sema/expr-comma.c
Mehdi Amini e0ac46e69d Revert "Remove rdar links; NFC"
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.

https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy

Differential Revision: https://reviews.llvm.org/D155509
2023-07-17 18:08:04 -07:00

18 lines
592 B
C

// RUN: %clang_cc1 %s -fsyntax-only -verify -std=c89 -Wno-sizeof-array-decay
// rdar://6095180
struct s { char c[17]; };
extern struct s foo(void);
struct s a, b, c;
int A[sizeof((foo().c)) == 17 ? 1 : -1];
int B[sizeof((a.c)) == 17 ? 1 : -1];
// comma does not promote array/function in c90 unless they are lvalues.
int W[sizeof(0, a.c) == sizeof(char*) ? 1 : -1];
int X[sizeof(0, (foo().c)) == 17 ? 1 : -1];
int Y[sizeof(0, (a,b).c) == 17 ? 1 : -1];
int Z[sizeof(0, (a=b).c) == 17 ? 1 : -1]; // expected-warning {{expression with side effects has no effect in an unevaluated context}}