https://bugs.llvm.org/show_bug.cgi?id=48175
Bug ID: 48175
Summary: missing "uninitialized variable" warning when using
VLAs
Product: clang
Version: 11.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C
Assignee: unassignedclangb...@nondot.org
Reporter: felix-l...@fefe.de
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
Here is some sample code:
int foo(int n) {
int foo[n];
return foo[0];
}
Cheeky clang generates only a ret for this function. That's it.
I expected a warning that I am reading an uninitialized value in the return
statement.
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