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MSVC++ fix: ALLOW_UNUSED_LOCAL variables only used in static_assert

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After f83530bf9a0b and 72fbc56e58d3, while compiling
arraysize_unsafe_test.cc:

…\crashpad\util\misc\arraysize_unsafe_test.cc(58) : error C2220: warning treated as error - no 'object' file generated
…\crashpad\util\misc\arraysize_unsafe_test.cc(58) : warning C4101: 's10' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(33) : warning C4101: 'i1' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(24) : warning C4101: 'c1' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(27) : warning C4101: 'c2' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(55) : warning C4101: 's1' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(39) : warning C4101: 'i4' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(45) : warning C4101: 'l9' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(30) : warning C4101: 'c4' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(42) : warning C4101: 'l8' : unreferenced local variable
…\crashpad\util\misc\arraysize_unsafe_test.cc(36) : warning C4101: 'i2' : unreferenced local variable

The line numbers are totally out of order!

I think that my error was not actually ever running “gclient runhooks”,
so I never tested this locally on Windows as I thought I had.

https://build.chromium.org/p/client.crashpad/builders/crashpad_win_x64_dbg/builds/266/steps/compile%20with%20ninja/logs/stdio

TBR=scottmg@chromium.org (holiday)

Change-Id: I00414b54c04b5b7e3aa564b0c6fd49d20a47b6ea
Reviewed-on: https://chromium-review.googlesource.com/410129
Reviewed-by: Mark Mentovai <mark@chromium.org>
This commit is contained in:
Mark Mentovai 2016-11-11 13:06:30 -05:00
parent 72fbc56e58
commit b37aa95da7
1 changed files with 11 additions and 0 deletions
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11
util/misc/arraysize_unsafe_test.cc
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@ -14,6 +14,7 @@
#include "util/misc/arraysize_unsafe.h"
#include "base/compiler_specific.h"
#include "gtest/gtest.h"
namespace crashpad {
@ -23,27 +24,35 @@ namespace {
TEST(ArraySizeUnsafe, ArraySizeUnsafe) {
char c1[1];
static_assert(ARRAYSIZE_UNSAFE(c1) == 1, "c1");
ALLOW_UNUSED_LOCAL(c1);
char c2[2];
static_assert(ARRAYSIZE_UNSAFE(c2) == 2, "c2");
ALLOW_UNUSED_LOCAL(c2);
char c4[4];
static_assert(ARRAYSIZE_UNSAFE(c4) == 4, "c4");
ALLOW_UNUSED_LOCAL(c4);
int i1[1];
static_assert(ARRAYSIZE_UNSAFE(i1) == 1, "i1");
ALLOW_UNUSED_LOCAL(i1);
int i2[2];
static_assert(ARRAYSIZE_UNSAFE(i2) == 2, "i2");
ALLOW_UNUSED_LOCAL(i2);
int i4[4];
static_assert(ARRAYSIZE_UNSAFE(i4) == 4, "i4");
ALLOW_UNUSED_LOCAL(i4);
long l8[8];
static_assert(ARRAYSIZE_UNSAFE(l8) == 8, "l8");
ALLOW_UNUSED_LOCAL(l8);
int l9[9];
static_assert(ARRAYSIZE_UNSAFE(l9) == 9, "l9");
ALLOW_UNUSED_LOCAL(l9);
struct S {
char c;
@ -54,9 +63,11 @@ TEST(ArraySizeUnsafe, ArraySizeUnsafe) {
S s1[1];
static_assert(ARRAYSIZE_UNSAFE(s1) == 1, "s1");
ALLOW_UNUSED_LOCAL(s1);
S s10[10];
static_assert(ARRAYSIZE_UNSAFE(s10) == 10, "s10");
ALLOW_UNUSED_LOCAL(s10);
}
} // namespace