cgen: fix assert checking fn option ret with `none` #6253

Workflow file for this run

.github/workflows/sanitized_ci.yml at 8c08fc1

	name: Sanitized CI

	## Running these jobs is slow (over ~1 hour, sometimes even 2)
	## so we run them only when there is a chance that the generated
	## C code could have changed, or for some critical vlib modules,
	## like `builtin`, `os`, `sync`, where they have demonstrated
	## their usefulness by catching actual very hard to find bugs.
	## The cost of this selective running is delayed feedback when
	## there are bugs in other V modules.
	## The positive is much faster CI runs for most V contributors,
	## that make PRs that are not concerning V itself, or the critical
	## V modules.

	on:
	workflow_dispatch:
	push:
	paths:
	- '!**'
	- '!**.md'
	- '!**.yml'
	- 'vlib/builtin/**.v'
	- 'vlib/strconv/**.v'
	- 'vlib/strings/**.v'
	- 'vlib/math/**.v'
	- 'vlib/math/big/**.v'
	- 'vlib/arrays/**.v'
	- 'vlib/datatypes/**.v'
	- 'vlib/os/**.v'
	- 'vlib/sync/**.v'
	- 'vlib/v/tests/**.v'
	- 'vlib/v/ast/**.v'
	- 'vlib/v/scanner/**.v'
	- 'vlib/v/parser/**.v'
	- 'vlib/v/checker/**.v'
	- 'vlib/v/gen/c/**.v'
	- 'vlib/v/builder/**.v'
	- 'vlib/v/cflag/**.v'
	- 'vlib/v/live/**.v'
	- 'vlib/v/util/**.v'
	- 'vlib/v/markused/**.v'
	- 'vlib/v/preludes/**.v'
	- 'vlib/v/embed_file/**.v'
	- '**/sanitized_ci.yml'
	pull_request:
	paths:
	- '!**'
	- 'vlib/builtin/**.v'
	- 'vlib/strconv/**.v'
	- 'vlib/strings/**.v'
	- 'vlib/math/**.v'
	- 'vlib/math/big/**.v'
	- 'vlib/arrays/**.v'
	- 'vlib/datatypes/**.v'
	- 'vlib/os/**.v'
	- 'vlib/sync/**.v'
	- 'vlib/v/tests/**.v'
	- 'vlib/v/ast/**.v'
	- 'vlib/v/scanner/**.v'
	- 'vlib/v/parser/**.v'
	- 'vlib/v/checker/**.v'
	- 'vlib/v/gen/c/**.v'
	- 'vlib/v/builder/**.v'
	- 'vlib/v/cflag/**.v'
	- 'vlib/v/live/**.v'
	- 'vlib/v/util/**.v'
	- 'vlib/v/markused/**.v'
	- 'vlib/v/preludes/**.v'
	- 'vlib/v/embed_file/**.v'
	- '**/sanitized_ci.yml'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.sha \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	tests-sanitize-undefined-clang:
	runs-on: ubuntu-20.04
	timeout-minutes: 240
	env:
	VFLAGS: -cc clang
	VJOBS: 1
	VTEST_SHOW_START: 1
	steps:
	- uses: actions/checkout@v4
	- name: Build V
	run: make -j4 && ./v symlink
	- name: Ensure code is well formatted
	run: ./v test-cleancode
	- name: Install dependencies
	run: \|
	./v retry -- sudo apt update
	./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
	./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libasound2-dev
	./v retry -- sudo apt install clang
	- name: Recompile V with -cstrict
	run: ./v -cg -cstrict -o v cmd/v
	- name: Self tests (-fsanitize=undefined)
	run: ./v -cflags "-fsanitize=undefined" -o v2 cmd/v && ./v2 -cflags -fsanitize=undefined test-self vlib
	- name: Build examples (V compiled with -fsanitize=undefined)
	run: ./v2 build-examples

	tests-sanitize-undefined-gcc:
	runs-on: ubuntu-20.04
	timeout-minutes: 240
	env:
	VFLAGS: -cc gcc
	VJOBS: 1
	VTEST_SHOW_START: 1
	steps:
	- uses: actions/checkout@v4
	- name: Build V
	run: make -j4 && ./v symlink
	- name: Ensure code is well formatted
	run: ./v test-cleancode
	- name: Install dependencies
	run: \|
	./v retry -- sudo apt update
	./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
	./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libasound2-dev
	- name: Recompile V with -cstrict
	run: ./v -cg -cstrict -o v cmd/v
	- name: Self tests (-fsanitize=undefined)
	run: ./v -cflags "-fsanitize=undefined" -o v2 cmd/v && ./v2 -cflags -fsanitize=undefined test-self vlib
	- name: Build examples (V compiled with -fsanitize=undefined)
	run: ./v2 build-examples

	tests-sanitize-address-clang:
	runs-on: ubuntu-20.04
	timeout-minutes: 240
	env:
	VFLAGS: -cc clang
	VJOBS: 1
	VTEST_SHOW_START: 1
	steps:
	- uses: actions/checkout@v4
	- name: Build V
	run: make -j4 && ./v symlink
	- name: Ensure code is well formatted
	run: ./v test-cleancode
	- name: Install dependencies
	run: \|
	./v retry -- sudo apt update
	./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
	./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libasound2-dev
	./v retry -- sudo apt install clang
	- name: Recompile V with -cstrict
	run: ./v -cg -cstrict -o v cmd/v
	- name: Self tests (-fsanitize=address)
	run: ASAN_OPTIONS=detect_leaks=0 ./v -cflags "-fsanitize=address,pointer-compare,pointer-subtract" test-self vlib
	- name: Self tests (V compiled with -fsanitize=address)
	run: ./v -cflags -fsanitize=address -o v cmd/v &&
	ASAN_OPTIONS=detect_leaks=0 ./v -cc tcc test-self -asan-compiler vlib
	- name: Build examples (V compiled with -fsanitize=address)
	run: ASAN_OPTIONS=detect_leaks=0 ./v build-examples

	tests-sanitize-address-msvc:
	runs-on: windows-2019
	timeout-minutes: 240
	env:
	VFLAGS: -cc msvc
	VJOBS: 1
	VTEST_SHOW_START: 1
	steps:
	- uses: actions/checkout@v4
	- name: Build
	run: \|
	echo %VFLAGS%
	echo $VFLAGS
	.\make.bat -msvc
	.\v.exe self
	- name: Ensure code is well formatted
	run: .\v.exe test-cleancode
	# - name: Install dependencies
	# run: \|
	# .\v.exe setup-freetype
	# .\.github\workflows\windows-install-sqlite.bat
	# - name: Self tests (/fsanitize=address) # TODO:
	# run: .\v.exe -cflags "/fsanitize=address" test-self vlib

	tests-sanitize-address-gcc:
	runs-on: ubuntu-20.04
	timeout-minutes: 240
	env:
	VFLAGS: -cc gcc
	VJOBS: 1
	VTEST_SHOW_START: 1
	steps:
	- uses: actions/checkout@v4
	- name: Build V
	run: make -j4 && ./v symlink
	- name: Ensure code is well formatted
	run: ./v test-cleancode
	- name: Install dependencies
	run: \|
	./v retry -- sudo apt update
	./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
	./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libasound2-dev
	./v retry -- sudo apt install clang
	- name: Recompile V with -cstrict
	run: ./v -cg -cstrict -o v cmd/v
	- name: Self tests (-fsanitize=address)
	run: ASAN_OPTIONS=detect_leaks=0 ./v -cflags -fsanitize=address test-self vlib
	- name: Self tests (V compiled with -fsanitize=address)
	run:
	./v -cflags -fsanitize=address,pointer-compare,pointer-subtract -o v cmd/v &&
	ASAN_OPTIONS=detect_leaks=0 ./v -cc tcc test-self -asan-compiler vlib
	- name: Build examples (V compiled with -fsanitize=address)
	run: ASAN_OPTIONS=detect_leaks=0 ./v build-examples

	tests-sanitize-memory-clang:
	runs-on: ubuntu-20.04
	timeout-minutes: 240
	env:
	VFLAGS: -cc clang -gc none
	VJOBS: 1
	VTEST_SHOW_START: 1
	steps:
	- uses: actions/checkout@v4
	- name: Build V
	run: make -j4 && ./v symlink
	- name: Ensure code is well formatted
	run: ./v test-cleancode
	- name: Install dependencies
	run: \|
	./v retry -- sudo apt update
	./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
	./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libasound2-dev
	./v retry -- sudo apt install clang
	- name: Recompile V with clang and -cstrict
	run: ./v -cc clang -cg -cstrict -o v cmd/v
	- name: Self tests (-fsanitize=memory)
	run: ./v -cflags -fsanitize=memory test-self vlib
	- name: Self tests (V compiled with -fsanitize=memory)
	run: \|
	./v -cflags -fsanitize=memory -o v cmd/v
	./v -cc tcc test-self -msan-compiler vlib
	- name: Build examples (V compiled with -fsanitize=memory)
	run: ./v build-examples

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cgen: fix assert checking fn option ret with `none` #6253

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cgen: fix assert checking fn option ret with `none` #6253

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Workflow file for this run

cgen: fix assert checking fn option ret with none #6253

Workflow file

Workflow file for this run

cgen: fix assert checking fn option ret with `none` #6253