<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Has anyone seen this kind of error from GHC?<div class=""><br class=""></div><div class=""><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">dca9047d694f:concat-learn a594349$ stack build :lenna</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">concat-learn-0.2.0.0: build (lib + exe)</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">Preprocessing library concat-learn-0.2.0.0...</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">[6 of 6] Compiling ConCat.Learn.CNN.Conv ( src/ConCat/Learn/CNN/Conv.hs, .stack-work/dist/x86_64-osx/Cabal-1.24.2.0/build/ConCat/Learn/CNN/Conv.o )</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">user error (Unexpected result from the SMT solver:</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">  Expected: success</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">  Result: (error "line 1515 column 22: unknown constant tn_1" )</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">)</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255); min-height: 15px;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""></span><br class=""></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">--  While building custom Setup.hs for package concat-learn-0.2.0.0 using:</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">      /Users/a594349/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack-work/dist/x86_64-osx/Cabal-1.24.2.0 build lib:concat-learn exe:lenna --ghc-options " -ddump-hi -ddump-to-file"</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">    Process exited with code: ExitFailure 1</span></div></div><div class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div><div class=""><span style="font-variant-ligatures: no-common-ligatures" class="">I started seeing it when I started trying to use the <font face="Menlo" class="">someNatVal</font> function.</span></div><div class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></body></html>