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rust-demangle-expected revision 1.1.1.2.2.1
      1          1.1  christos # This file holds test cases for the Rust demangler.
      2          1.1  christos # Each test case looks like this:
      3          1.1  christos #  options
      4          1.1  christos #  input to be demangled
      5          1.1  christos #  expected output
      6          1.1  christos #
      7          1.1  christos # See demangle-expected for documentation of supported options.
      8          1.1  christos #
      9          1.1  christos # A line starting with `#' is ignored.
     10          1.1  christos # However, blank lines in this file are NOT ignored.
     11          1.1  christos #
     12          1.1  christos ############
     13          1.1  christos #
     14  1.1.1.2.2.1  perseant # Coverage Tests (legacy)
     15          1.1  christos #
     16          1.1  christos #
     17          1.1  christos # Demangles as rust symbol.
     18          1.1  christos --format=rust
     19          1.1  christos _ZN4main4main17he714a2e23ed7db23E
     20          1.1  christos main::main
     21          1.1  christos # Also demangles as c++ gnu v3 mangled symbol. But with extra Rust hash.
     22          1.1  christos --format=gnu-v3
     23          1.1  christos _ZN4main4main17he714a2e23ed7db23E
     24          1.1  christos main::main::he714a2e23ed7db23
     25          1.1  christos # But auto should demangle fully gnu-v3 -> rust -> demangled, not partially.
     26          1.1  christos --format=auto
     27          1.1  christos _ZN4main4main17he714a2e23ed7db23E
     28          1.1  christos main::main
     29          1.1  christos # Hash is exactly 16 hex chars. Not more.
     30          1.1  christos --format=auto
     31          1.1  christos _ZN4main4main18h1e714a2e23ed7db23E
     32          1.1  christos main::main::h1e714a2e23ed7db23
     33          1.1  christos # Not less.
     34          1.1  christos --format=auto
     35          1.1  christos _ZN4main4main16h714a2e23ed7db23E
     36          1.1  christos main::main::h714a2e23ed7db23
     37          1.1  christos # And not non-hex.
     38          1.1  christos --format=auto
     39          1.1  christos _ZN4main4main17he714a2e23ed7db2gE
     40          1.1  christos main::main::he714a2e23ed7db2g
     41          1.1  christos # $XX$ substitutions should not contain just numbers.
     42          1.1  christos --format=auto
     43          1.1  christos _ZN4main4$99$17he714a2e23ed7db23E
     44      1.1.1.2  christos main::$99$
     45          1.1  christos # _ at start of path should be removed.
     46          1.1  christos # ".." translates to "::" "$GT$" to ">" and "$LT$" to "<".
     47          1.1  christos --format=rust
     48          1.1  christos _ZN71_$LT$Test$u20$$u2b$$u20$$u27$static$u20$as$u20$foo..Bar$LT$Test$GT$$GT$3bar17h930b740aa94f1d3aE
     49          1.1  christos <Test + 'static as foo::Bar<Test>>::bar
     50          1.1  christos #
     51          1.1  christos --format=rust
     52          1.1  christos _ZN54_$LT$I$u20$as$u20$core..iter..traits..IntoIterator$GT$9into_iter17h8581507801fb8615E
     53          1.1  christos <I as core::iter::traits::IntoIterator>::into_iter
     54          1.1  christos #
     55          1.1  christos --format=rust
     56          1.1  christos _ZN10parse_tsan4main17hdbbfdf1c6a7e27d9E
     57          1.1  christos parse_tsan::main
     58          1.1  christos #
     59          1.1  christos --format=rust
     60          1.1  christos _ZN65_$LT$std..env..Args$u20$as$u20$core..iter..iterator..Iterator$GT$4next17h420a7c8d0c7eef40E
     61          1.1  christos <std::env::Args as core::iter::iterator::Iterator>::next
     62          1.1  christos #
     63          1.1  christos --format=rust
     64          1.1  christos _ZN4core3str9from_utf817hdcea28871313776dE
     65          1.1  christos core::str::from_utf8
     66          1.1  christos #
     67          1.1  christos --format=rust
     68          1.1  christos _ZN4core3mem7size_of17h18bde9bb8c22e2cfE
     69          1.1  christos core::mem::size_of
     70          1.1  christos #
     71          1.1  christos --format=rust
     72          1.1  christos _ZN5alloc4heap8allocate17hd55c03e6cb81d924E
     73          1.1  christos alloc::heap::allocate
     74          1.1  christos #
     75          1.1  christos --format=rust
     76          1.1  christos _ZN4core3ptr8null_mut17h736cce09ca0ac11aE
     77          1.1  christos core::ptr::null_mut
     78          1.1  christos #
     79          1.1  christos --format=rust
     80          1.1  christos _ZN4core3ptr31_$LT$impl$u20$$BP$mut$u20$T$GT$7is_null17h7f9de798bc3f0879E
     81          1.1  christos core::ptr::<impl *mut T>::is_null
     82          1.1  christos #
     83          1.1  christos --format=rust
     84          1.1  christos _ZN40_$LT$alloc..raw_vec..RawVec$LT$T$GT$$GT$6double17h4166e2b47539e1ffE
     85          1.1  christos <alloc::raw_vec::RawVec<T>>::double
     86          1.1  christos #
     87          1.1  christos --format=rust
     88          1.1  christos _ZN39_$LT$collections..vec..Vec$LT$T$GT$$GT$4push17hd4b6b23c1b88141aE
     89          1.1  christos <collections::vec::Vec<T>>::push
     90          1.1  christos #
     91          1.1  christos --format=rust
     92          1.1  christos _ZN70_$LT$collections..vec..Vec$LT$T$GT$$u20$as$u20$core..ops..DerefMut$GT$9deref_mut17hf299b860dc5a831cE
     93          1.1  christos <collections::vec::Vec<T> as core::ops::DerefMut>::deref_mut
     94          1.1  christos #
     95          1.1  christos --format=rust
     96          1.1  christos _ZN63_$LT$core..ptr..Unique$LT$T$GT$$u20$as$u20$core..ops..Deref$GT$5deref17hc784b4a166cb5e5cE
     97          1.1  christos <core::ptr::Unique<T> as core::ops::Deref>::deref
     98          1.1  christos #
     99          1.1  christos --format=rust
    100          1.1  christos _ZN40_$LT$alloc..raw_vec..RawVec$LT$T$GT$$GT$3ptr17h7570b6e9070b693bE
    101          1.1  christos <alloc::raw_vec::RawVec<T>>::ptr
    102          1.1  christos #
    103          1.1  christos --format=rust
    104          1.1  christos _ZN4core3ptr31_$LT$impl$u20$$BP$mut$u20$T$GT$7is_null17h0f3228f343444ac8E
    105          1.1  christos core::ptr::<impl *mut T>::is_null
    106          1.1  christos #
    107          1.1  christos --format=rust
    108          1.1  christos _ZN53_$LT$$u5b$T$u5d$$u20$as$u20$core..slice..SliceExt$GT$10as_mut_ptr17h153241df1c7d1666E
    109          1.1  christos <[T] as core::slice::SliceExt>::as_mut_ptr
    110          1.1  christos #
    111          1.1  christos --format=rust
    112          1.1  christos _ZN11collections5slice29_$LT$impl$u20$$u5b$T$u5d$$GT$10as_mut_ptr17hf12a6d0409938c96E
    113          1.1  christos collections::slice::<impl [T]>::as_mut_ptr
    114          1.1  christos #
    115          1.1  christos --format=rust
    116          1.1  christos _ZN4core3ptr5write17h651fe53ec860e780E
    117          1.1  christos core::ptr::write
    118          1.1  christos #
    119          1.1  christos --format=rust
    120          1.1  christos _ZN65_$LT$std..env..Args$u20$as$u20$core..iter..iterator..Iterator$GT$4next17h420a7c8d0c7eef40E
    121          1.1  christos <std::env::Args as core::iter::iterator::Iterator>::next
    122          1.1  christos #
    123          1.1  christos --format=rust
    124          1.1  christos _ZN54_$LT$I$u20$as$u20$core..iter..traits..IntoIterator$GT$9into_iter17he06cb713aae5b465E
    125          1.1  christos <I as core::iter::traits::IntoIterator>::into_iter
    126          1.1  christos #
    127          1.1  christos --format=rust
    128          1.1  christos _ZN71_$LT$collections..vec..IntoIter$LT$T$GT$$u20$as$u20$core..ops..Drop$GT$4drop17hf7f23304ebe62eedE
    129          1.1  christos <collections::vec::IntoIter<T> as core::ops::Drop>::drop
    130          1.1  christos #
    131          1.1  christos --format=rust
    132          1.1  christos _ZN86_$LT$collections..vec..IntoIter$LT$T$GT$$u20$as$u20$core..iter..iterator..Iterator$GT$4next17h04b3fbf148c39713E
    133          1.1  christos <collections::vec::IntoIter<T> as core::iter::iterator::Iterator>::next
    134          1.1  christos #
    135          1.1  christos --format=rust
    136          1.1  christos _ZN75_$LT$$RF$$u27$a$u20$mut$u20$I$u20$as$u20$core..iter..iterator..Iterator$GT$4next17ha050492063e0fd20E
    137          1.1  christos <&'a mut I as core::iter::iterator::Iterator>::next
    138          1.1  christos # Different hashes are OK, they are just stripped.
    139          1.1  christos --format=rust
    140          1.1  christos _ZN13drop_contents17hfe3c0a68c8ad1c74E
    141          1.1  christos drop_contents
    142          1.1  christos #
    143          1.1  christos --format=rust
    144          1.1  christos _ZN13drop_contents17h48cb59bef15bb555E
    145          1.1  christos drop_contents
    146          1.1  christos #
    147          1.1  christos --format=rust
    148          1.1  christos _ZN4core3mem7size_of17h900b33157bf58f26E
    149          1.1  christos core::mem::size_of
    150          1.1  christos #
    151          1.1  christos --format=rust
    152          1.1  christos _ZN67_$LT$alloc..raw_vec..RawVec$LT$T$GT$$u20$as$u20$core..ops..Drop$GT$4drop17h96a5cf6e94807905E
    153          1.1  christos <alloc::raw_vec::RawVec<T> as core::ops::Drop>::drop
    154          1.1  christos #
    155          1.1  christos --format=rust
    156          1.1  christos _ZN68_$LT$core..nonzero..NonZero$LT$T$GT$$u20$as$u20$core..ops..Deref$GT$5deref17hc49056f882aa46dbE
    157          1.1  christos <core::nonzero::NonZero<T> as core::ops::Deref>::deref
    158          1.1  christos #
    159          1.1  christos --format=rust
    160          1.1  christos _ZN63_$LT$core..ptr..Unique$LT$T$GT$$u20$as$u20$core..ops..Deref$GT$5deref17h19f2ad4920655e85E
    161          1.1  christos <core::ptr::Unique<T> as core::ops::Deref>::deref
    162      1.1.1.2  christos #
    163      1.1.1.2  christos --format=rust
    164      1.1.1.2  christos _ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17h059a991a004536adE
    165      1.1.1.2  christos issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo
    166  1.1.1.2.2.1  perseant --format=rust
    167  1.1.1.2.2.1  perseant _ZN4core3ops8function6FnOnce40call_once$u7b$$u7b$vtable.shim$u7d$$u7d$17h000b1ad6c4f30bd6E
    168  1.1.1.2.2.1  perseant core::ops::function::FnOnce::call_once{{vtable.shim}}
    169  1.1.1.2.2.1  perseant #
    170  1.1.1.2.2.1  perseant ############
    171  1.1.1.2.2.1  perseant #
    172  1.1.1.2.2.1  perseant # Coverage Tests (v0)
    173  1.1.1.2.2.1  perseant #
    174  1.1.1.2.2.1  perseant #
    175  1.1.1.2.2.1  perseant # Crate with a leading digit.
    176  1.1.1.2.2.1  perseant --format=rust
    177  1.1.1.2.2.1  perseant _RNvC6_123foo3bar
    178  1.1.1.2.2.1  perseant 123foo::bar
    179  1.1.1.2.2.1  perseant # UTF-8 identifiers.
    180  1.1.1.2.2.1  perseant --format=rust
    181  1.1.1.2.2.1  perseant _RNqCs4fqI2P2rA04_11utf8_identsu30____7hkackfecea1cbdathfdh9hlq6y
    182  1.1.1.2.2.1  perseant utf8_idents::__
    183  1.1.1.2.2.1  perseant # Closure path elements.
    184  1.1.1.2.2.1  perseant --format=rust
    185  1.1.1.2.2.1  perseant _RNCNCNgCs6DXkGYLi8lr_2cc5spawn00B5_
    186  1.1.1.2.2.1  perseant cc::spawn::{closure#0}::{closure#0}
    187  1.1.1.2.2.1  perseant #
    188  1.1.1.2.2.1  perseant --format=rust
    189  1.1.1.2.2.1  perseant _RNCINkXs25_NgCsbmNqQUJIY6D_4core5sliceINyB9_4IterhENuNgNoBb_4iter8iterator8Iterator9rpositionNCNgNpB9_6memchr7memrchrs_0E0Bb_
    190  1.1.1.2.2.1  perseant <core::slice::Iter<u8> as core::iter::iterator::Iterator>::rposition::<core::slice::memchr::memrchr::{closure#1}>::{closure#0}
    191  1.1.1.2.2.1  perseant # dyn Trait ("trait object") types.
    192  1.1.1.2.2.1  perseant --format=rust
    193  1.1.1.2.2.1  perseant _RINbNbCskIICzLVDPPb_5alloc5alloc8box_freeDINbNiB4_5boxed5FnBoxuEp6OutputuEL_ECs1iopQbuBiw2_3std
    194  1.1.1.2.2.1  perseant alloc::alloc::box_free::<dyn alloc::boxed::FnBox<(), Output = ()>>
    195  1.1.1.2.2.1  perseant # Types with const generics parameters.
    196  1.1.1.2.2.1  perseant --format=rust
    197  1.1.1.2.2.1  perseant _RNvMC0INtC8arrayvec8ArrayVechKj7b_E3new
    198  1.1.1.2.2.1  perseant <arrayvec::ArrayVec<u8, 123>>::new
    199  1.1.1.2.2.1  perseant #
    200  1.1.1.2.2.1  perseant --format=rust
    201  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_8UnsignedKhb_E
    202  1.1.1.2.2.1  perseant <const_generic::Unsigned<11>>
    203  1.1.1.2.2.1  perseant #
    204  1.1.1.2.2.1  perseant --format=rust
    205  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKs98_E
    206  1.1.1.2.2.1  perseant <const_generic::Signed<152>>
    207  1.1.1.2.2.1  perseant #
    208  1.1.1.2.2.1  perseant --format=rust
    209  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKanb_E
    210  1.1.1.2.2.1  perseant <const_generic::Signed<-11>>
    211  1.1.1.2.2.1  perseant #
    212  1.1.1.2.2.1  perseant --format=rust
    213  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb0_E
    214  1.1.1.2.2.1  perseant <const_generic::Bool<false>>
    215  1.1.1.2.2.1  perseant #
    216  1.1.1.2.2.1  perseant --format=rust
    217  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb1_E
    218  1.1.1.2.2.1  perseant <const_generic::Bool<true>>
    219  1.1.1.2.2.1  perseant #
    220  1.1.1.2.2.1  perseant --format=rust
    221  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc76_E
    222  1.1.1.2.2.1  perseant <const_generic::Char<'v'>>
    223  1.1.1.2.2.1  perseant #
    224  1.1.1.2.2.1  perseant --format=rust
    225  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKca_E
    226  1.1.1.2.2.1  perseant <const_generic::Char<'\n'>>
    227  1.1.1.2.2.1  perseant #
    228  1.1.1.2.2.1  perseant --format=rust
    229  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc2202_E
    230  1.1.1.2.2.1  perseant <const_generic::Char<'\u{2202}'>>
    231  1.1.1.2.2.1  perseant #
    232  1.1.1.2.2.1  perseant --format=rust
    233  1.1.1.2.2.1  perseant _RNvNvMCs4fqI2P2rA04_13const_genericINtB4_3FooKpE3foo3FOO
    234  1.1.1.2.2.1  perseant <const_generic::Foo<_>>::foo::FOO
    235  1.1.1.2.2.1  perseant #
    236  1.1.1.2.2.1  perseant # All of the tests above but in auto mode instead:
    237  1.1.1.2.2.1  perseant #
    238  1.1.1.2.2.1  perseant # Crate with a leading digit.
    239  1.1.1.2.2.1  perseant --format=auto
    240  1.1.1.2.2.1  perseant _RNvC6_123foo3bar
    241  1.1.1.2.2.1  perseant 123foo::bar
    242  1.1.1.2.2.1  perseant # UTF-8 identifiers.
    243  1.1.1.2.2.1  perseant --format=auto
    244  1.1.1.2.2.1  perseant _RNqCs4fqI2P2rA04_11utf8_identsu30____7hkackfecea1cbdathfdh9hlq6y
    245  1.1.1.2.2.1  perseant utf8_idents::__
    246  1.1.1.2.2.1  perseant # Closure path elements.
    247  1.1.1.2.2.1  perseant --format=auto
    248  1.1.1.2.2.1  perseant _RNCNCNgCs6DXkGYLi8lr_2cc5spawn00B5_
    249  1.1.1.2.2.1  perseant cc::spawn::{closure#0}::{closure#0}
    250  1.1.1.2.2.1  perseant #
    251  1.1.1.2.2.1  perseant --format=auto
    252  1.1.1.2.2.1  perseant _RNCINkXs25_NgCsbmNqQUJIY6D_4core5sliceINyB9_4IterhENuNgNoBb_4iter8iterator8Iterator9rpositionNCNgNpB9_6memchr7memrchrs_0E0Bb_
    253  1.1.1.2.2.1  perseant <core::slice::Iter<u8> as core::iter::iterator::Iterator>::rposition::<core::slice::memchr::memrchr::{closure#1}>::{closure#0}
    254  1.1.1.2.2.1  perseant # dyn Trait ("trait object") types.
    255  1.1.1.2.2.1  perseant --format=auto
    256  1.1.1.2.2.1  perseant _RINbNbCskIICzLVDPPb_5alloc5alloc8box_freeDINbNiB4_5boxed5FnBoxuEp6OutputuEL_ECs1iopQbuBiw2_3std
    257  1.1.1.2.2.1  perseant alloc::alloc::box_free::<dyn alloc::boxed::FnBox<(), Output = ()>>
    258  1.1.1.2.2.1  perseant # Types with const generics parameters.
    259  1.1.1.2.2.1  perseant --format=auto
    260  1.1.1.2.2.1  perseant _RNvMC0INtC8arrayvec8ArrayVechKj7b_E3new
    261  1.1.1.2.2.1  perseant <arrayvec::ArrayVec<u8, 123>>::new
    262  1.1.1.2.2.1  perseant #
    263  1.1.1.2.2.1  perseant --format=auto
    264  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_8UnsignedKhb_E
    265  1.1.1.2.2.1  perseant <const_generic::Unsigned<11>>
    266  1.1.1.2.2.1  perseant #
    267  1.1.1.2.2.1  perseant --format=auto
    268  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKs98_E
    269  1.1.1.2.2.1  perseant <const_generic::Signed<152>>
    270  1.1.1.2.2.1  perseant #
    271  1.1.1.2.2.1  perseant --format=auto
    272  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKanb_E
    273  1.1.1.2.2.1  perseant <const_generic::Signed<-11>>
    274  1.1.1.2.2.1  perseant #
    275  1.1.1.2.2.1  perseant --format=auto
    276  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb0_E
    277  1.1.1.2.2.1  perseant <const_generic::Bool<false>>
    278  1.1.1.2.2.1  perseant #
    279  1.1.1.2.2.1  perseant --format=auto
    280  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb1_E
    281  1.1.1.2.2.1  perseant <const_generic::Bool<true>>
    282  1.1.1.2.2.1  perseant #
    283  1.1.1.2.2.1  perseant --format=auto
    284  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc76_E
    285  1.1.1.2.2.1  perseant <const_generic::Char<'v'>>
    286  1.1.1.2.2.1  perseant #
    287  1.1.1.2.2.1  perseant --format=auto
    288  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKca_E
    289  1.1.1.2.2.1  perseant <const_generic::Char<'\n'>>
    290  1.1.1.2.2.1  perseant #
    291  1.1.1.2.2.1  perseant --format=auto
    292  1.1.1.2.2.1  perseant _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc2202_E
    293  1.1.1.2.2.1  perseant <const_generic::Char<'\u{2202}'>>
    294  1.1.1.2.2.1  perseant #
    295  1.1.1.2.2.1  perseant --format=auto
    296  1.1.1.2.2.1  perseant _RNvNvMCs4fqI2P2rA04_13const_genericINtB4_3FooKpE3foo3FOO
    297  1.1.1.2.2.1  perseant <const_generic::Foo<_>>::foo::FOO
    298  1.1.1.2.2.1  perseant #
    299  1.1.1.2.2.1  perseant # Suffixes
    300  1.1.1.2.2.1  perseant #
    301  1.1.1.2.2.1  perseant --format=rust
    302  1.1.1.2.2.1  perseant _RNvMs0_NtCs5l0EXMQXRMU_21rustc_data_structures17obligation_forestINtB5_16ObligationForestNtNtNtCsdozMG8X9FIu_21rustc_trait_selection6traits7fulfill26PendingPredicateObligationE22register_obligation_atB1v_.llvm.8517020237817239694
    303  1.1.1.2.2.1  perseant <rustc_data_structures::obligation_forest::ObligationForest<rustc_trait_selection::traits::fulfill::PendingPredicateObligation>>::register_obligation_at
    304  1.1.1.2.2.1  perseant --format=rust
    305  1.1.1.2.2.1  perseant _ZN4core3ptr85drop_in_place$LT$std..rt..lang_start$LT$$LP$$RP$$GT$..$u7b$$u7b$closure$u7d$$u7d$$GT$17h27f14859c664490dE.llvm.8091179795805947855
    306  1.1.1.2.2.1  perseant core::ptr::drop_in_place<std::rt::lang_start<()>::{{closure}}>
    307  1.1.1.2.2.1  perseant # old style rustc llvm thinlto
    308  1.1.1.2.2.1  perseant --format=rust
    309  1.1.1.2.2.1  perseant _ZN9backtrace3foo17hbb467fcdaea5d79bE.llvm.A5310EB9
    310  1.1.1.2.2.1  perseant backtrace::foo
    311  1.1.1.2.2.1  perseant --format=rust
    312  1.1.1.2.2.1  perseant _ZN9backtrace3foo17hbb467fcdaea5d79bE.llvm.A5310EB9@@16
    313  1.1.1.2.2.1  perseant backtrace::foo
    314  1.1.1.2.2.1  perseant # new style rustc llvm thinlto
    315  1.1.1.2.2.1  perseant --format=rust
    316  1.1.1.2.2.1  perseant _RC3foo.llvm.9D1C9369
    317  1.1.1.2.2.1  perseant foo
    318  1.1.1.2.2.1  perseant --format=rust
    319  1.1.1.2.2.1  perseant _RC3foo.llvm.9D1C9369@@16
    320  1.1.1.2.2.1  perseant foo
    321  1.1.1.2.2.1  perseant --format=rust
    322  1.1.1.2.2.1  perseant _RNvC9backtrace3foo.llvm.A5310EB9
    323  1.1.1.2.2.1  perseant backtrace::foo
    324