https://bugs.llvm.org/show_bug.cgi?id=39790
Bug ID: 39790
Summary: -fno-plt seems to trash stack frame
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: n...@chello.at
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
Created attachment 21159
--> https://bugs.llvm.org/attachment.cgi?id=21159&action=edit
code reproducing the issue, and assembly both with and without -fno-plt
See the attached example program and generated assembly.
Using -fno-plt seems to mess up the stack frame, I cant really pinpoint the
issue and when its triggered, values just point to wrong places.
My system is debian buster x86_64, with clang++ being:
clang version 7.0.0-6 (tags/RELEASE_700/final)
(This is potentially a duplicate of 39252)
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