Emit warning when there is no space between `-o` and arg

Closes rust-lang#142812

`getopt` doesn't seem to have an API to check this, so we have to check the args manually.

r? compiler

Emit warning when there is no space between `-o` and arg

Closes rust-lang#142812

`getopt` doesn't seem to have an API to check this, so we have to check the args manually.

r? compiler

Rollup of 15 pull requests

Successful merges:

 - #142300 (Disable `tests/run-make/mte-ffi` because no CI runners have MTE extensions enabled)
 - #143271 (Store the type of each GVN value)
 - #143293 (fix `-Zsanitizer=kcfi` on `#[naked]` functions)
 - #143719 (Emit warning when there is no space between `-o` and arg)
 - #143833 (Ban projecting into SIMD types [MCP838])
 - #143846 (pass --gc-sections if -Zexport-executable-symbols is enabled and improve tests)
 - #143879 (parse `const trait Trait`)
 - #143891 (Port `#[coverage]` to the new attribute system)
 - #143967 (constify `Option` methods)
 - #143985 (rustc_public: de-StableMIR-ize)
 - #144008 (Fix false positive double negations with macro invocation)
 - #144010 (Boostrap: add warning on `optimize = false`)
 - #144034 (tests: Test line number in debuginfo for diverging function calls)
 - #144049 (rustc-dev-guide subtree update)
 - #144056 (Copy GCC sources into the build directory even outside CI)

r? `@ghost`
`@rustbot` modify labels: rollup

Emit warning when there is no space between `-o` and arg

Closes rust-lang#142812

`getopt` doesn't seem to have an API to check this, so we have to check the args manually.

r? compiler

Rollup of 12 pull requests

Successful merges:

 - #142300 (Disable `tests/run-make/mte-ffi` because no CI runners have MTE extensions enabled)
 - #143271 (Store the type of each GVN value)
 - #143293 (fix `-Zsanitizer=kcfi` on `#[naked]` functions)
 - #143719 (Emit warning when there is no space between `-o` and arg)
 - #143846 (pass --gc-sections if -Zexport-executable-symbols is enabled and improve tests)
 - #143891 (Port `#[coverage]` to the new attribute system)
 - #143967 (constify `Option` methods)
 - #144008 (Fix false positive double negations with macro invocation)
 - #144010 (Boostrap: add warning on `optimize = false`)
 - #144034 (tests: Test line number in debuginfo for diverging function calls)
 - #144049 (rustc-dev-guide subtree update)
 - #144056 (Copy GCC sources into the build directory even outside CI)

r? `@ghost`
`@rustbot` modify labels: rollup

Rollup of 12 pull requests

Successful merges:

 - #142300 (Disable `tests/run-make/mte-ffi` because no CI runners have MTE extensions enabled)
 - #143271 (Store the type of each GVN value)
 - #143293 (fix `-Zsanitizer=kcfi` on `#[naked]` functions)
 - #143719 (Emit warning when there is no space between `-o` and arg)
 - #143846 (pass --gc-sections if -Zexport-executable-symbols is enabled and improve tests)
 - #143891 (Port `#[coverage]` to the new attribute system)
 - #143967 (constify `Option` methods)
 - #144008 (Fix false positive double negations with macro invocation)
 - #144010 (Boostrap: add warning on `optimize = false`)
 - #144034 (tests: Test line number in debuginfo for diverging function calls)
 - #144049 (rustc-dev-guide subtree update)
 - #144056 (Copy GCC sources into the build directory even outside CI)

r? `@ghost`
`@rustbot` modify labels: rollup

Emit warning when there is no space between `-o` and arg

Closes rust-lang#142812

`getopt` doesn't seem to have an API to check this, so we have to check the args manually.

r? compiler

Rollup of 12 pull requests

Successful merges:

 - #142300 (Disable `tests/run-make/mte-ffi` because no CI runners have MTE extensions enabled)
 - #143271 (Store the type of each GVN value)
 - #143280 (Remove duplicate error about raw underscore lifetime)
 - #143649 (Add test for `default_field_values` and `const_default`)
 - #143699 (Make `AsyncDrop` check that it's being implemented on a local ADT)
 - #143719 (Emit warning when there is no space between `-o` and arg)
 - #143833 (Ban projecting into SIMD types [MCP838])
 - #143891 (Port `#[coverage]` to the new attribute system)
 - #143908 (`tests/ui`: A New Order [0/28] )
 - #143909 (docs(alloc::fmt): Make type optional, instead of matching empty string)
 - #143925 (Make slice comparisons const)
 - #143997 (Use $crate in macros for rustc_public (aka stable_mir))

r? `@ghost`
`@rustbot` modify labels: rollup

Rollup of 11 pull requests

Successful merges:

 - #142300 (Disable `tests/run-make/mte-ffi` because no CI runners have MTE extensions enabled)
 - #143271 (Store the type of each GVN value)
 - #143293 (fix `-Zsanitizer=kcfi` on `#[naked]` functions)
 - #143719 (Emit warning when there is no space between `-o` and arg)
 - #143846 (pass --gc-sections if -Zexport-executable-symbols is enabled and improve tests)
 - #143891 (Port `#[coverage]` to the new attribute system)
 - #143967 (constify `Option` methods)
 - #144008 (Fix false positive double negations with macro invocation)
 - #144010 (Boostrap: add warning on `optimize = false`)
 - #144049 (rustc-dev-guide subtree update)
 - #144056 (Copy GCC sources into the build directory even outside CI)

r? `@ghost`
`@rustbot` modify labels: rollup

Rollup merge of #143719 - xizheyin:142812-1, r=jieyouxu

Emit warning when there is no space between `-o` and arg

Closes #142812

`getopt` doesn't seem to have an API to check this, so we have to check the args manually.

r? compiler

Emit warning when there is no space between `-o` and arg

Closes rust-lang#142812

`getopt` doesn't seem to have an API to check this, so we have to check the args manually.

r? compiler

…iaskrgr

Rollup of 11 pull requests

Successful merges:

 - rust-lang#142300 (Disable `tests/run-make/mte-ffi` because no CI runners have MTE extensions enabled)
 - rust-lang#143271 (Store the type of each GVN value)
 - rust-lang#143293 (fix `-Zsanitizer=kcfi` on `#[naked]` functions)
 - rust-lang#143719 (Emit warning when there is no space between `-o` and arg)
 - rust-lang#143846 (pass --gc-sections if -Zexport-executable-symbols is enabled and improve tests)
 - rust-lang#143891 (Port `#[coverage]` to the new attribute system)
 - rust-lang#143967 (constify `Option` methods)
 - rust-lang#144008 (Fix false positive double negations with macro invocation)
 - rust-lang#144010 (Boostrap: add warning on `optimize = false`)
 - rust-lang#144049 (rustc-dev-guide subtree update)
 - rust-lang#144056 (Copy GCC sources into the build directory even outside CI)

r? `@ghost`
`@rustbot` modify labels: rollup