File: vla-2.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (17 lines) | stat: -rw-r--r-- 782 bytes parent folder | download | duplicates (22) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic
// Check that we don't crash trying to emit warnings in a potentially-evaluated
// sizeof or typeof.  (This test needs to be in a separate file because we use
// a different codepath when we have already emitted an error.)

int PotentiallyEvaluatedSizeofWarn(int n) {
  return (int)sizeof *(0 << 32,(int(*)[n])0); // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}}
}

void PotentiallyEvaluatedTypeofWarn(int n) {
  __typeof(*(0 << 32,(int(*)[n])0)) x; // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}}
  (void)x;
}

void PotentiallyEvaluatedArrayBoundWarn(int n) {
  (void)*(int(*)[(0 << 32,n)])0; // FIXME: We should warn here.
}