https://bugs.llvm.org/show_bug.cgi?id=52573
Bug ID: 52573
Summary: std=c2x is using some Gnu extensions
Product: clang
Version: 12.0
Hardware: Other
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C
Assignee: unassignedclangb...@nondot.org
Reporter: tyde...@tybor.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
Using std=c2x is using gnu-folding-constant. I believe c2x mode is supposed to
NOT use any gnu extensions.
The code in question is of the form:
int vla[ (int)+0x4.0p0 ] = { 7 };
The message says a VLA was folded to a constant array.
This is on an ARM laptop computer running Fedora Linux 34.
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