ruby-core

Issue #18781 has been updated by jaruga (Jun Aruga).

File make_ldflags.log added

On the latest master `633608ebd4cbdeea562dc4c608495134965a19a9`, I am testing.

```
$ ./configure --enable-shared --enable-mkmf-verbose --with-gcc="gcc -O2 -fcf-protection" ldflags=-Wl,-z,now
$ make V=1 2>&1 | tee make.log
```

Then `-Wl,-z,now` is not logged in the `make.log` to compile the code. For example I cannot find `-Wl,-z,now` for the gcc command log below. I cannot find `-Wl,-z,now` in the make.log. Is this intentional? I like a way to log the flag, but I don't know how to do. I would attach the log file as `make_ldflags.log`.

```
gcc -O2 -fcf-protection  -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Werror=deprecated-declarations -Werror=div-by-zero -Werror=duplicated-cond -Werror=implicit-function-declaration -Werror=implicit-int -Werror=misleading-indentation -Werror=pointer-arith -Werror=write-strings -Werror=old-style-definition -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -Werror=undef -std=gnu99  -fPIC  -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fno-strict-overflow -DRUBY_DEVEL=1 -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT -I. -I.ext/include/x86_64-linux -I./include -I. -I./enc/unicode/14.0.0    -o main.o -c ./main.c
```


----------------------------------------
Bug #18781: MJIT tests failing with Ubuntu focal with gcc-11 and some flags
https://bugs.ruby-lang.org/issues/18781#change-97707

* Author: jaruga (Jun Aruga)
* Status: Assigned
* Priority: Normal
* Assignee: jaruga (Jun Aruga)
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN
----------------------------------------
I find some MJIT tests failing in `test/ruby/test_jit.rb` and `test/ruby/test_rubyvm_jit.rb` on gcc 11 on Ubuntu focal on the latest master branch `708e839dee57bc5ef8f5b21fb4fa620e89caeb52` on CI. [Here](https://github.com/ruby/ruby/runs/6430518723#step:18:288) is the CI log on [another PR](https://github.com/ruby/ruby/pull/5900#issuecomment-1126570348) on GitHub Actions - `.github/workflows/compilers.yml` on Ubuntu focal. The used configure options are `./configure --enable-shared --with-gcc="gcc -O2 -fcf-protection -Wl,-z,now"`. I was able to reproduce it on my local Fedora 35 too. Here is the steps. For convenience, I would just show one test failure.

```
$ gcc --version
gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ autoconf
$ ./configure --enable-shared --with-gcc="gcc -O2 -fcf-protection -Wl,-z,now"
$ make

$ make test-all TESTOPTS="-n TestJIT#test_compile_insn_setspecial" TESTS=test/ruby/test_jit.rb
config.status: creating ruby-runner.h
making mjit_build_dir.so
generating x86_64-linux-fake.rb
x86_64-linux-fake.rb updated
Run options: 
  --seed=24654
  "--ruby=./miniruby -I./lib -I. -I.ext/common  ./tool/runruby.rb --extout=.ext  -- --disable-gems"
  --excludes-dir=./test/excludes
  --name=!/memory_leak/
  -n
  TestJIT#test_compile_insn_setspecial

# Running tests:

[1/0] TestJIT#test_compile_insn_setspecial = 0.27 s
  1) Failure:
TestJIT#test_compile_insn_setspecial [/home/jaruga/var/git/ruby/ruby/test/ruby/test_jit.rb:134]:
Expected 1 times of JIT success, but succeeded 0 times.

script:
"""
p proc {  
  true if nil.nil?..nil.nil?
}.call
"""


stderr:
"""
/bin/ld: no input files
collect2: error: ld returned 1 exit status
MJIT warning: Making precompiled header failed on compilation. Stopping MJIT worker...
MJIT warning: timed out to wait for JIT finish

"""

..
<1> expected but was
<0>.

Finished tests in 0.272793s, 3.6658 tests/s, 14.6632 assertions/s.
1 tests, 4 assertions, 1 failures, 0 errors, 0 skips

ruby -v: ruby 3.2.0dev (2022-05-13T22:27:55Z wip/test-annocheck b497531237) [x86_64-linux]
make: *** [uncommon.mk:823: yes-test-all] Error 1
```


---Files--------------------------------
make_ldflags.log (517 KB)


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