File: pch-warn-as-error-code.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (27 lines) | stat: -rw-r--r-- 761 bytes parent folder | download | duplicates (31)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// RUN: rm -f %t.head.h.pch
// RUN: c-index-test -write-pch %t.head.h.pch %s -Wuninitialized -Werror=unused 2>&1 | FileCheck -check-prefix=HEAD_DIAGS %s
// RUN: c-index-test -test-load-source local %s -include %t.head.h -Wuninitialized -Werror=unused 2>&1 | FileCheck -check-prefix=MAIN_DIAGS %s

// Make sure -Wuninitialized works even though the header had a warn-as-error occurrence.

// HEAD_DIAGS: error: unused variable 'x'
// MAIN_DIAGS: warning: variable 'x1' is uninitialized
// MAIN_DIAGS-NOT: error: use of undeclared identifier

#ifndef HEADER
#define HEADER

static void foo_head() {
  int x;
}

#else

void test() {
  int x1; // expected-note {{initialize}}
  int x2 = x1; // expected-warning {{uninitialized}}
  (void)x2;
  foo_head();
}

#endif