<div class="highlight highlight-source-julia notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="julia&gt; c = '1'
'1': ASCII/Unicode U+0031 (category Nd: Number, decimal digit)

julia&gt; c'

signal (11): Segmentation fault: 11
in expression starting at no file:0
unknown function (ip: 0xffffffffffffffff)
Allocations: 3423488 (Pool: 3422945; Big: 543); GC: 6"><pre class="notranslate">julia<span class="pl-k">&gt;</span> c <span class="pl-k">=</span> <span class="pl-s"><span class="pl-pds">'</span>1<span class="pl-pds">'</span></span>
<span class="pl-s"><span class="pl-pds">'</span>1<span class="pl-pds">'</span></span>: ASCII<span class="pl-k">/</span>Unicode U<span class="pl-k">+</span><span class="pl-c1">0031</span> (category Nd<span class="pl-k">:</span> Number, decimal digit)

julia<span class="pl-k">&gt;</span> c<span class="pl-k">'</span>

signal (<span class="pl-c1">11</span>)<span class="pl-k">:</span> Segmentation fault<span class="pl-k">:</span> <span class="pl-c1">11</span>
in expression starting at no file<span class="pl-k">:</span><span class="pl-c1">0</span>
unknown <span class="pl-k">function</span> (ip<span class="pl-k">:</span> <span class="pl-c1">0xffffffffffffffff</span>)
Allocations<span class="pl-k">:</span> <span class="pl-c1">3423488</span> (Pool<span class="pl-k">:</span> <span class="pl-c1">3422945</span>; Big<span class="pl-k">:</span> <span class="pl-c1">543</span>); GC<span class="pl-k">:</span> <span class="pl-c1">6</span></pre></div>
<p dir="auto">A surprising way to trigger a surprising error:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="julia&gt; &quot;&quot;'
julia: /home/jeff/src/julia/src/codegen.cpp:1378: jl_generic_fptr_t jl_generate_fptr(jl_method_instance_t*, const char*, size_t): Assertion `fptr.fptr != __null' failed.

signal (6): Aborted
in expression starting at no file:0
raise at /build/buildd/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56
abort at /build/buildd/eglibc-2.19/stdlib/abort.c:89
__assert_fail_base at /build/buildd/eglibc-2.19/assert/assert.c:92
__assert_fail at /build/buildd/eglibc-2.19/assert/assert.c:101
jl_generate_fptr at /home/jeff/src/julia/src/codegen.cpp:1378
jl_compile_method_internal at /home/jeff/src/julia/src/julia_internal.h:367 [inlined]
jl_call_method_internal at /home/jeff/src/julia/src/julia_internal.h:395 [inlined]
jl_apply_generic at /home/jeff/src/julia/src/gf.c:2081
inline_call at ./inference.jl:5361
inline_expr at ./inference.jl:5273
jl_call_fptr_internal at /home/jeff/src/julia/src/julia_internal.h:380 [inlined]
jl_call_method_internal at /home/jeff/src/julia/src/julia_internal.h:399 [inlined]
jl_apply_generic at /home/jeff/src/julia/src/gf.c:2081
inline_expr at ./inference.jl:5277
inlining_pass! at ./inference.jl:5257
optimize at ./inference.jl:3759"><pre class="notranslate"><code class="notranslate">julia&gt; ""'
julia: /home/jeff/src/julia/src/codegen.cpp:1378: jl_generic_fptr_t jl_generate_fptr(jl_method_instance_t*, const char*, size_t): Assertion `fptr.fptr != __null' failed.

signal (6): Aborted
in expression starting at no file:0
raise at /build/buildd/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56
abort at /build/buildd/eglibc-2.19/stdlib/abort.c:89
__assert_fail_base at /build/buildd/eglibc-2.19/assert/assert.c:92
__assert_fail at /build/buildd/eglibc-2.19/assert/assert.c:101
jl_generate_fptr at /home/jeff/src/julia/src/codegen.cpp:1378
jl_compile_method_internal at /home/jeff/src/julia/src/julia_internal.h:367 [inlined]
jl_call_method_internal at /home/jeff/src/julia/src/julia_internal.h:395 [inlined]
jl_apply_generic at /home/jeff/src/julia/src/gf.c:2081
inline_call at ./inference.jl:5361
inline_expr at ./inference.jl:5273
jl_call_fptr_internal at /home/jeff/src/julia/src/julia_internal.h:380 [inlined]
jl_call_method_internal at /home/jeff/src/julia/src/julia_internal.h:399 [inlined]
jl_apply_generic at /home/jeff/src/julia/src/gf.c:2081
inline_expr at ./inference.jl:5277
inlining_pass! at ./inference.jl:5257
optimize at ./inference.jl:3759
</code></pre></div>