File: vla-2.c

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
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.
}