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-BEGIN VERIFY SCRIPT- # Mark all lines with #includes sed -i --regexp-extended -e 's/(#include <.*>)/\1 /g' $(git grep -l '#include' ./src/bench/ ./src/test ./src/wallet/test/) # Sort all marked lines git diff -U0 | ./contrib/devtools/clang-format-diff.py -p1 -i -v -END VERIFY SCRIPT-
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
// Copyright (c) 2019 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <boost/test/unit_test.hpp>
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#include <test/util/setup_common.h>
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BOOST_FIXTURE_TEST_SUITE(compilerbug_tests, BasicTestingSetup)
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#if defined(__GNUC__)
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// This block will also be built under clang, which is fine (as it supports noinline)
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void __attribute__ ((noinline)) set_one(unsigned char* ptr)
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{
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*ptr = 1;
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}
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int __attribute__ ((noinline)) check_zero(unsigned char const* in, unsigned int len)
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{
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for (unsigned int i = 0; i < len; ++i) {
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if (in[i] != 0) return 0;
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}
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return 1;
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}
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void set_one_on_stack() {
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unsigned char buf[1];
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set_one(buf);
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}
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BOOST_AUTO_TEST_CASE(gccbug_90348) {
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// Test for GCC bug 90348. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90348
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for (int i = 0; i <= 4; ++i) {
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unsigned char in[4];
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for (int j = 0; j < i; ++j) {
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in[j] = 0;
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set_one_on_stack(); // Apparently modifies in[0]
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}
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BOOST_CHECK(check_zero(in, i));
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}
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}
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#endif
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BOOST_AUTO_TEST_SUITE_END()
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