https://bugs.llvm.org/show_bug.cgi?id=49178
Bug ID: 49178
Summary: clang hangs with simple input program
Product: clang
Version: 10.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Hi,
I have a simple program (which can be accepted by GCC). It will make clang
(version 6.0.0 - 10.0.0) hang for a very long time.
In my case, clang had not finished compilation in one hour.
=== detailed information ===
$ cat poc.cc
int a;
long b;
double c;
int main() { asm("" : "=rm"(a), "=d"(c) : "1"(b || 0)); }
$ gcc poc.cc
$ echo $?
0
$ clang poc.cc
# never end...
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