https://llvm.org/bugs/show_bug.cgi?id=31612
Bug ID: 31612
Summary: Cannot eval function which returns empty struct. Error
[IRForTarget]: Size of result type 'struct foo { }'
couldn't be determined
Product: lldb
Version: 3.9
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
root@ideal-os:~# cat /o.cpp
struct foo
{
};
foo
f (void)
{
return {};
}
int
main (void)
{
f ();
}
root@ideal-os:~# clang++-3.9 -std=c++11 -g -o /o /o.cpp
root@ideal-os:~# lldb-3.9 /o
(lldb) target create "/o"
Current executable set to '/o' (x86_64).
(lldb) b main
Breakpoint 1: where = o`main + 4 at o.cpp:14, address = 0x00000000004004e4
(lldb) r
Process 366 launched: '/o' (x86_64)
Process 366 stopped
* thread #1: tid = 366, 0x00000000004004e4 o`main + 4 at o.cpp:14, name = 'o',
stop reason = breakpoint 1.1
frame #0: 0x00000000004004e4 o`main + 4 at o.cpp:14
(lldb) p f ()
Error [IRForTarget]: Size of result type 'struct foo {
}' couldn't be determined
error: The expression could not be prepared to run in the target
(lldb)
Environment same as in https://llvm.org/bugs/show_bug.cgi?id=31611
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