Section printed into .ll file

[asl]

Bugzilla Link	1085
Resolution	FIXED
Resolved on	Nov 07, 2018 00:17
Version	trunk
OS	Linux
Blocks	#1439
Attachments	Preprocessed source, Resulted .ll, Slightly reduced source

Extended Description

Attached source (from Qt) will cause sections of form "gnu.linkonce.t" to be
printed into resulting LLVM bytecode (e.g. when compiling with -emit-llvm -S).

This causes misc linker problems.

A quick workaround was introduced:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070101/042142.html

It should be reverted after this bug fixed.

[asl]

assigned to @lattner

[lattner]

This is a ELF-specific bug in the C++ FE. Patch sent to llvm-commits, testcase here:
Regression/C++Frontend/2007-01-06-ELF-Thunk-Sections.cpp

-Chris

[asl]

Workaround was removed as well.

[lattner]

Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070101/042150.html

[llvmbot]

This is not fixed. The Regression/C++Frontend/2007-01-06-ELF-Thunk-Sections.cpp
test case fails on Linux at least. The "not grep" part of it is failing.

[asl]

Hmm. Strange. I've got linker errors due to presense of such sections. Now:

1. Sections go away
2. There are no linker errors.

Will check the testcase.

[asl]

Reid, could you please attach the LLVM bytecode generated by llvm-g++ from the
testcase?

[llvmbot]

x86-linux bytecode for test case
This bytecode file provides the output of llvm-gcc for x86-linux where the test
case fails.

[lattner]

This fixes the fix. Reid, plz verify and remove the xfail from the testcase if ok now.

http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070108/042246.html

Thanks,

-Chris

[llvmbot]

Works now.