https://bugs.llvm.org/show_bug.cgi?id=46639
Bug ID: 46639
Summary: Clang Segmentation Fault with 2D Array.
Product: new-bugs
Version: 10.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: kdes...@insa-rennes.fr
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Created attachment 23704
--> https://bugs.llvm.org/attachment.cgi?id=23704&action=edit
cpp and sh files generated before dump.
Hi,
When using 2D array with clang, I found a way to cause a segmentation fault of
the clang compiler (checked 10 on my WSL) and on the trunk version with
godbolt.
The minimal example is the following :
```
class A {
public:
~A(){} // No custom destructor => No error
};
int main() {
auto a = new A[2][3];
A (*b) [] = (A (*)[])a; // Adding dimension [3] solves the error too.
delete[] b;
return 0;
}
```
This code compiles without warning nor errors with MSVC 19.24 and gcc 7.5. I do
not mind the error or warning from clang, but the seg fault that follows is an
issue.
Attached is the cpp and sh generated by clang on crash.
Best,
Karol
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