id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
5126	"Splicing a type into a signature decl within a decl quotation panics with ""mkUsageInfo: internal name? x2{v a2pX}"""	FSalad		"Hello,

trying to compile the attached file gives:

{{{
[1 of 1] Compiling THUtil           ( THUtil.hs, THUtil.o )
ghc: panic! (the 'impossible' happened)
  (GHC version 7.0.3 for i386-unknown-linux):
        mkUsageInfo: internal name? x2{v a1Jh}

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
}}}
"	bug	closed	normal		Template Haskell	7.0.3	fixed	quotation	danlex@…	Linux	x86	Compile-time crash		th/T5126