Issues · Glasgow Haskell Compiler / GHC · GitLab

case expression with mixed use of Num instances cause spurious overlap warning

#8016 · opened Jun 27, 2013 by bscarlet 5 Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 1
updated Sep 30, 2019
Spurious non-exhaustive warning with GADT and newtypes

#6124 · opened May 25, 2012 by joeyadams 8.0.1 5 Pnormal Trac import bug error messages pattern match warnings typechecker
- CLOSED
- 6
updated Sep 30, 2019
GHC gives incorrect warnings with simple applications of the view patterns extension

#5762 · opened Jan 10, 2012 by jmg 5 Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 3
updated Sep 30, 2019
Warnings from -fwarn-incomplete-record-updates even with all constructors matched

#5728 · opened Dec 27, 2011 by mjo 5 Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 10
updated Sep 30, 2019
Confusing warning message for incomplete patterns

#5724 · opened Dec 25, 2011 by AntoineLatter 7.6.2 5 Pnormal Trac import bug pattern match warnings
- CLOSED
- 4
updated Sep 30, 2019
Spurious non-exhaustive pattern match warnings are given using GADTs

#4139 · opened Jun 16, 2010 by blarsen 5 GADTs Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 10
updated Sep 30, 2019
Incomplete/overlapped pattern warnings + GADTs = inadequate

#3927 · opened Mar 18, 2010 by Simon Peyton Jones 8.0.1 5 Pnormal Trac import bug pattern match warnings
- CLOSED
- 42
updated Sep 30, 2019
Erroneous warnings for -XPatternGuards

#3078 · opened Mar 07, 2009 by guest 5 Pnormal Trac import bug pattern match warnings
- CLOSED
- 1
updated Sep 30, 2019
Improve 'patterns not matched' warnings

#2204 · opened Apr 08, 2008 by Deewiant 3 Plow Trac import bug pattern match warnings
- CLOSED
- 8
updated Sep 30, 2019
unreachable GADT pattern clauses show up as warnings with -Wall

#2006 · opened Dec 30, 2007 by ryani 6.12 branch 5 Pnormal Trac import bug pattern match warnings
- CLOSED
- 7
updated Sep 30, 2019
Warning refers to code not in the source

#1307 · opened Apr 27, 2007 by guest 0 Plow Trac import bug pattern match warnings
- CLOSED
- 9
updated Sep 30, 2019
Incomplete-pattern checking for n+k patterns is not implemented

#851 · opened Aug 08, 2006 by Simon Peyton Jones 3 Plow Trac import bug error messages pattern match warnings
- CLOSED
- 5
updated Sep 30, 2019
Overhaul GHC's overlapping/non-exhaustive pattern checking

#595 · opened Sep 17, 2003 by Simon Marlow 8.0.1 5 Pnormal Trac import pattern match warnings task
- CLOSED
- 26
updated Sep 30, 2019
fromInteger-related pattern match overlap warnings

#322 · opened Mar 14, 2005 by ashley-y 5 Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 9
updated Sep 30, 2019
Check for exhaustive patterns is broken

#29 · opened Nov 25, 2001 by nobody 0 Plow Trac import bug pattern match warnings
- CLOSED
- 8
updated Sep 30, 2019
OverloadedStrings induces overlapping pattern matches

#5117 · opened Apr 14, 2011 by sciolizer@gmail.com 5 Pnormal Trac import bug error messages pattern match warnings
- CLOSED
- 1
updated Sep 30, 2019
Make an extension flag for postfix operators

#1824 · opened Nov 03, 2007 by Ian Lynagh <igloo@earth.li> 6.10 branch 5 Pnormal Trac import bug parser
- CLOSED
- 4
updated Sep 26, 2019
CPP strips out C-style comments

#3389 · opened Jul 22, 2009 by nominolo@gmail.com 5 Pnormal Trac import bug driver feature request
- CLOSED
- 12
updated Sep 26, 2019
wrong and missing classes/instances

#54 · opened Mar 11, 2002 by nobody 5 Pnormal Trac import bug core libraries
- CLOSED
- 1
updated Sep 25, 2019
DerivingStrategies defaulting warning has no associated enable/suppress flag

#15839 · opened Oct 31, 2018 by Akhra Gannon 8.10.1 5 Pnormal Trac import bug deriving error messages newcomer
- CLOSED
- 5
updated Sep 25, 2019

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