https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92165
Bug ID: 92165
Summary: [10 regression] g++.dg/cpp2a/nodiscard-once.C fails
starting with r277205
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
Executing on host: /home/seurer/gcc/build/gcc-test/gcc/testsuite/g++/../../xg++
-B/home/seurer/gcc/build/gcc-test/gcc/testsuite/g++/../../
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -nostdinc++
-I/home/seurer/gcc/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/gcc-test/libstdc++-v3/libsupc++
-I/home/seurer/gcc/gcc-test/libstdc++-v3/include/backward
-I/home/seurer/gcc/gcc-test/libstdc++-v3/testsuite/util -fmessage-length=0
-std=gnu++2a -O -ftrack-macro-expansion=0 -S -o nodiscard-once.s (timeout =
300)
spawn -ignore SIGHUP
/home/seurer/gcc/build/gcc-test/gcc/testsuite/g++/../../xg++
-B/home/seurer/gcc/build/gcc-test/gcc/testsuite/g++/../../
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -nostdinc++
-I/home/seurer/gcc/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/gcc-test/libstdc++-v3/libsupc++
-I/home/seurer/gcc/gcc-test/libstdc++-v3/include/backward
-I/home/seurer/gcc/gcc-test/libstdc++-v3/testsuite/util -fmessage-length=0
-std=gnu++2a -O -ftrack-macro-expansion=0 -S -o nodiscard-once.s
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C:5:14:
error: attribute 'nodiscard' can appear at most once in an attribute-list
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C: In
function 'void test()':
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C:10:10:
warning: ignoring return value of 'int check1()', declared with attribute
'nodiscard' [-Wunused-result]
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C:5:30:
note: declared here
compiler exited with status 1
PASS: g++.dg/cpp2a/nodiscard-once.C -std=gnu++2a (test for errors, line 5)
FAIL: g++.dg/cpp2a/nodiscard-once.C -std=gnu++2a (test for excess errors)
Excess errors:
/home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/cpp2a/nodiscard-once.C:10:10:
warning: ignoring return value of 'int check1()', declared with attribute
'nodiscard' [-Wunused-result]
testcase /home/seurer/gcc/gcc-test/gcc/testsuite/g++.dg/dg.exp completed in 0
seconds
=== g++ Summary ===
# of expected passes 1
# of unexpected failures 1
# of unsupported tests 3
