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Compiler ICE: alt branch with non-unanimous binding site #2932

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efaust opened this issue Jul 16, 2012 · 2 comments
Closed

Compiler ICE: alt branch with non-unanimous binding site #2932

efaust opened this issue Jul 16, 2012 · 2 comments
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I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.
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@efaust
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efaust commented Jul 16, 2012

The following code ICE's the compiler built from the 0.3 tarball:

enum whatever {
    OneWay,
    SameWay(int),
    OtherWay
}

fn getWhatever() -> whatever {
    SameWay(7)
}

fn main()
{
    let what = getWhatever();
    alt what{
        OneWay | SameWay(foo) { io::println("oooh"); }
        OtherWay { io::println("aaaaaahhhh"); }
    };  
}

The problem is that not all of the subcases produce the same binding site in the first branch of the alt. This seems to be related to issue #2869. Looks like this just be made a compilation error.

@ghost ghost assigned catamorphism Jul 16, 2012
@catamorphism
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I'll take a look.

@catamorphism
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Dup of #2849, which is fixed in HEAD.

RalfJung pushed a commit to RalfJung/rust that referenced this issue Jun 29, 2023
celinval added a commit to celinval/rust-dev that referenced this issue Jun 4, 2024
Update Rust toolchain from nightly-2023-12-10 to nightly-2023-12-11
without any other source changes.
This is an automatically generated pull request. If any of the CI checks
fail, manual intervention is required. In such a case, review the
changes at https://github.com/rust-lang/rust from
rust-lang@06e02d5
up to
rust-lang@d86d65b.
The log for this commit range is:
rust-lang@d86d65bbc1 Auto merge of
rust-lang#118368 - GuillaumeGomez:env-flag, r=Nilstrieb
rust-lang@ec4176167b Auto merge of
rust-lang#118703 - Kobzol:bootstrap-config-unused, r=onur-ozkan
rust-lang@f1c5558edc Add ChangeInfo
record
rust-lang@ccbd88dc83 Remove unused
run_dsymutil and gpg_password_file config values
rust-lang@6badc0d840 Destructure TOML
configs
rust-lang@7e452c123c Auto merge of
rust-lang#118791 - saethlin:use-immediate-type, r=nikic
rust-lang@b9068315db Auto merge of
rust-lang#116952 - compiler-errors:lifetime_capture_rules_2024, r=TaKO8Ki
rust-lang@befd1eb4ec Auto merge of
rust-lang#116278 - Kobzol:bootstrap-lld-mode, r=albertlarsan68,petrochenkov
rust-lang@dc2f77aad6 Add (unstable)
documentation for `--env` command line option
rust-lang@d2b1f94f05 Add feature gate
test for `--env` flag
rust-lang@37d68093da Add ui tests for
`--env` option
rust-lang@486e55e547 Implement `--env`
compiler flag
rust-lang@53031b264e Review fixes
rust-lang@84f6130fe3 Auto merge of
rust-lang#118692 - surechen:remove_unused_imports, r=petrochenkov
rust-lang@4750e9de47 Produce an explicit
error when using a self-contained lld, but we don't add it to sysroot
rust-lang@ea769dbeb7 Add change tracker
entry
rust-lang@cbfe6327a1 Do not invoke
external lld to figure out thread flags in self-contained mode
rust-lang@50865745e1 Update
`config.example.toml`
rust-lang@40c3d351ad Use MCP510
rust-lang@48c1607bc6 Introduce `LldMode`
and generalize parsing of `use-lld`
rust-lang@d9f9e67bc1 Refactor rust(do)c
linker flags
rust-lang@b3c9ffdc77 Add `is_msvc`
function
rust-lang@c1a3919378 Auto merge of
rust-lang#118792 - naglis:fix-mutex-doc-typo, r=workingjubilee
rust-lang@42dfac5e08 Auto merge of
rust-lang#118788 - compiler-errors:const-pretty, r=fee1-dead
rust-lang@61afc9c928 Auto merge of
rust-lang#116949 - hamza1311:stablize-arc_unwrap_or_clone, r=dtolnay
rust-lang@c71c246876 Auto merge of
rust-lang#118550 - cjgillot:filecheck-const-prop, r=Mark-Simulacrum
rust-lang@40ae34194c remove redundant
imports
rust-lang@f7253f2317 Auto merge of
rust-lang#118787 - GuillaumeGomez:rollup-fj5wr3q, r=GuillaumeGomez
rust-lang@7d50a39763 Fix typo in
`std::sync::Mutex` example
rust-lang@8cd8d31369 Auto merge of
rust-lang#118069 - onur-ozkan:bypass_bootstrap_lock, r=Mark-Simulacrum
rust-lang@b0a580112b Use
immediate_backend_type when reading from a const alloc
rust-lang@afa35e90ef Print constness in
TraitPredPrintModifiersAndPath
rust-lang@7467c3a45c
s/const_effect/host_effect
rust-lang@f1bf874fb1 Don't print host
effect param in pretty path_generic_args
rust-lang@6860654d82 allow bypassing the
build directory lock
rust-lang@dd234696ed Rollup merge of
rust-lang#118782 - jyn514:powershell, r=ChrisDenton
rust-lang@034d73d6d7 Rollup merge of
rust-lang#118775 - Young-Flash:fix, r=compiler-errors
rust-lang@5b9e917b64 Rollup merge of
rust-lang#118774 - lcnr:region-refactor-uwu, r=compiler-errors
rust-lang@cc821d3ae6 Rollup merge of
rust-lang#118747 - Urgau:check-cfg-freebsd-cleanup, r=onur-ozkan
rust-lang@83e814f88c Rollup merge of
rust-lang#117966 - lxy19980601:safe_compilation_options, r=Mark-Simulacrum
rust-lang@2cf54e9f99 use `&` instead of
start-process in x.ps1
rust-lang@ef796db5f0 add test for
inductive cycle hangs
rust-lang@cb6984217f chore: add test case
for type with generic
rust-lang@0f40b6545d Remove extra
check-cfg handled by libc directly
rust-lang@803772e81d Enable new capture
rules by default on edition 2024
rust-lang@acba7efe1b Add test for
implicitly capturing late-bound var with new capture rules
rust-lang@0ad160a585 Add
lifetime_capture_rules_2024
rust-lang@3f8487a099 Add safe compilation
options
rust-lang@30a95b7c0a FileCheck
while_let_loops.
rust-lang@c00068e49f FileCheck
tuple_literal_propagation.
rust-lang@87522d0007 FileCheck
return_place.
rust-lang@a12027e128 FileCheck
switch_int.
rust-lang@19767eb7a6 FileCheck slice_len.
rust-lang@3e90c1b434 FileCheck
scalar_literal_propagation.
rust-lang@f3743aec51 FileCheck repeat.
rust-lang@343ef6a9cb FileCheck
reify_fn_ptr.
rust-lang@6baec3ccc2 FileCheck ref_deref.
rust-lang@c8c9207e4c FileCheck
read_immutable_static.
rust-lang@45dd5d6bf3 FileCheck
mutable_variable_unprop_assign.
rust-lang@6a8eea8f5b FileCheck
mutable_variable_aggregate_partial_read.
rust-lang@d91bb5074e FileCheck
mutable_variable_no_prop.
rust-lang@3e169abc1b FileCheck
mutable_variable_aggregate_mut_ref.
rust-lang@03c5ad1549 FileCheck
mutable_variable_aggregate.
rust-lang@ea9f968333 FileCheck
mutable_variable.
rust-lang@902a3e2e75 FileCheck
mult_by_zero.
rust-lang@8e9b912c4c FileCheck
issue_67019.
rust-lang@ce9b1e23a5 FileCheck
issue_66971.
rust-lang@218d8ccf43 FileCheck
inherit_overflow.
rust-lang@6086dd6766 FileCheck indirect.
rust-lang@bf5d114da8 FileCheck
discriminant.
rust-lang@043d29b58a FileCheck and rename
const_prop_fails_gracefully.
rust-lang@7f328d2a44 FileCheck
checked_add.
rust-lang@e6a1b77cd1 FileCheck cast.
rust-lang@b8f2f63931 FileCheck boxes.
rust-lang@3fc03948a8 FileCheck
boolean_identities.
rust-lang@e8e35c8127 FileCheck
bad_op_unsafe_oob_for_slices.
rust-lang@97f03cb898 FileCheck
bad_op_mod_by_zero.
rust-lang@0d5bc872a9 FileCheck
bad_op_div_by_zero.
rust-lang@9f01d9d1b6 FileCheck
array_index.
rust-lang@6564bac532 FileCheck aggregate.
rust-lang@378abbc604 FileCheck
address_of_pair.
rust-lang@540921e468 Stablize
arc_unwrap_or_clone

Co-authored-by: celinval <[email protected]>
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I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.
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