https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101216
Bug ID: 101216
Summary: [12 regression] setjmp/longjmp excess errors after
r12-1805
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:e9e2bad7251477db92ab9ebcdc010f9282dd9890, r12-1805
make -k check-gcc RUNTESTFLAGS="analyzer.exp=gcc.dg/analyzer/setjmp-2.c"
FAIL: gcc.dg/analyzer/setjmp-2.c (test for excess errors)
# of expected passes 2
# of unexpected failures 1
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c
-fdiagnostics-plain-output -fanalyzer -Wanalyzer-too-complex
-fanalyzer-call-summaries -fdiagnostics-show-line-numbers
-fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -S -o
setjmp-2.s
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c: In
function 'test_2':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c:30:7:
note: path
30 | __analyzer_dump_path (); /* { dg-message "path" } */
| ^~~~~~~~~~~~~~~~~~~~~~~
'test_2': event 1
|
| 23 | i = SETJMP(env);
| | ^~~~~~
| | |
| | (1) 'setjmp' called here
|
'test_2': events 2-4
|
| 27 | if (i != 0)
| | ^
| | |
| | (2) following 'false' branch (when 'i == 0')...
|......
| 33 | longjmp (env, 1);
| | ~~~~~~~~~~~~~~~~
| | |
| | (3) ...to here
| | (4) rewinding within 'test_2' from 'longjmp'...
|
'test_2': event 5
|
| 23 | i = SETJMP(env);
| | ^~~~~~
| | |
| | (5) ...to 'setjmp' (saved at (1))
|
'test_2': events 6-8
|
| 27 | if (i != 0)
| | ^
| | |
| | (6) following 'true' branch (when 'i != 0')...
| 28 | {
| 29 | foo (2);
| | ~~~~~~~
| | |
| | (7) ...to here
| 30 | __analyzer_dump_path (); /* { dg-message "path" } */
| | ~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (8) here
|
In file included from
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c:5:
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c: In
function 'test_1':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/test-setjmp.h:19:12:
note: in a call to function 'setjmp'
19 | extern int setjmp(jmp_buf env);
| ^~~~~~
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c: In
function 'test_3':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/test-setjmp.h:22:13:
note: in a call to function 'longjmp'
22 | extern void longjmp(jmp_buf env, int val);
| ^~~~~~~
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/setjmp-2.c: In
function 'test_4':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/analyzer/test-setjmp.h:22:13:
note: in a call to function 'longjmp'
PASS: gcc.dg/analyzer/setjmp-2.c (test for warnings, line 30)
PASS: gcc.dg/analyzer/setjmp-2.c expected multiline pattern lines 39-83 was
found: "\s*NN \| __analyzer_dump_path \(\);.*\n \|
\^~~~~~~~~~~~~~~~~~~~~~~\n 'test_2': event 1.*\n \|.*\n \| NN \| i =
SETJMP\(env\);.*\n \| \| \^~~~~~\n \| \| \|.*\n
\| \| \(1\) 'setjmp' called here.*\n \|.*\n 'test_2': events
2-4.*\n \|.*\n \| NN \| if \(i != 0\).*\n \| \| \^\n
\| \| \|.*\n \| \| \(2\) following 'false' branch \(when
'i == 0'\)\.\.\..*\n \|\.\.\.\.\.\..*\n \| NN \| longjmp \(env,
1\);.*\n \| \| ~~~~~~~~~~~~~~~~\n \| \| \|.*\n \|
\| \(3\) \.\.\.to here.*\n \| \| \(4\) rewinding within
'test_2' from 'longjmp'\.\.\..*\n \|.*\n 'test_2': event 5.*\n \|.*\n
\| NN \| i = SETJMP\(env\);.*\n \| \| \^~~~~~\n \| \|
\|.*\n \| \| \(5\) \.\.\.to 'setjmp' \(saved at \(1\)\).*\n
\|.*\n 'test_2': events 6-8.*\n \|.*\n \| NN \| if \(i != 0\).*\n
\| \| \^\n \| \| \|.*\n \| \| \(6\)
following 'true' branch \(when 'i != 0'\)\.\.\..*\n \| NN \| \{.*\n
\| NN \| foo \(2\);.*\n \| \| ~~~~~~~\n \| \|
\|.*\n \| \| \(7\) \.\.\.to here.*\n \| NN \|
__analyzer_dump_path \(\);.*\n \| \| ~~~~~~~~~~~~~~~~~~~~~~~\n
\| \| \|.*\n \| \| \(8\) here.*\n \|.*\n"
Executing on host: /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled98668.cc
-fdiagnostics-plain-output -S -o exceptions_enabled98668.s (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled98668.cc
-fdiagnostics-plain-output -S -o exceptions_enabled98668.s
FAIL: gcc.dg/analyzer/setjmp-2.c (test for excess errors)
Excess errors:
NN | extern int setjmp(jmp_buf env);
| ^~~~~~
NN | extern void longjmp(jmp_buf env, int val);
| ^~~~~~~
commit e9e2bad7251477db92ab9ebcdc010f9282dd9890
Author: Martin Sebor <mse...@redhat.com>
Date: Thu Jun 24 19:22:06 2021 -0600
middle-end: add support for per-location warning groups.
