https://sourceware.org/bugzilla/show_bug.cgi?id=23040
Bug ID: 23040
Summary: .uleb128 directive doesn't accept some valid
expressions
Product: binutils
Version: 2.31 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: mswan at fastmail dot com
Target Milestone: ---
The following code appears throughout assembly spit out by GHC:
...
.uleb128 1f-.-1
1:
...
And it produces an error on the latest version of GAS, and I don't see how this
could be considered incorrect. If you replace 'uleb128' with 'long', you find
that it compiles. I looked into this issue and solved it for my current problem
by replacing 'deferred_expression (&exp)' with 'expression (&exp)'. I do not
know if this will somehow cause a problem elsewhere. I honestly don't even know
what the semantics of 'deferred_expression' vs regular 'expression' is.
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