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gnu: mrustc: Fix deserialization bug in communication with the procedural

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macro compiler plugin.

* gnu/packages/patches/mrustc-0.8.0-fix-variable-length-integer-receiving.patch:
New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/rust.scm (mrustc)[source]: Use it.

Co-authored-by: Chris Marusich <cmmarusich@gmail.com>
This commit is contained in:
Danny Milosavljevic 2019-02-01 17:06:25 +01:00
parent 8b7e6d005e
commit baf766a7ff
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3 changed files with 19 additions and 1 deletions
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15
gnu/packages/patches/mrustc-0.8.0-fix-variable-length-integer-receiving.patch Normal file
View file

@ -0,0 +1,15 @@
https://github.com/thepowersgang/mrustc/issues/109
From: Danny Milosavljevic <dannym@scratchpost.org>
Date: Fri, 3 Jan 2019 13:00:00 +0100
--- mrustc/src/expand/proc_macro.cpp.orig 2019-02-01 14:16:54.208486062 +0100
+++ mrustc/src/expand/proc_macro.cpp 2019-02-01 14:17:14.350925705 +0100
@@ -977,7 +977,7 @@
for(;;)
{
auto b = recv_u8();
- v |= static_cast<uint64_t>(b) << ofs;
+ v |= static_cast<uint64_t>(b & 0x7F) << ofs;
if( (b & 0x80) == 0 )
break;
ofs += 7;