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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
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  • #22607
Closed
Open
Issue created Dec 12, 2022 by Cheng Shao@TerrorJackDeveloper

Wasm backend testsuite failure: arith011

arith011 fails with:

--- "/tmp/tmp.LpusZhc2ok/ghctest-j2ji4_24/test   spaces/testsuite/tests/numeric/should_run/arith011.run/arith011.stdout.normalised"	2022-12-12 19:11:56.093946106 +0000
+++ "/tmp/tmp.LpusZhc2ok/ghctest-j2ji4_24/test   spaces/testsuite/tests/numeric/should_run/arith011.run/arith011.run.stdout.normalised"	2022-12-12 19:11:56.113946133 +0000
@@ -6811,25 +6811,25 @@
 0 `divMod`  2 = (0,0)
 0 `divMod`  3 = (0,0)

-1 `divMod`  -3 = (-1,-2)
-1 `divMod`  -2 = (-1,-1)
-1 `divMod`  -1 = (-1,0)
+1 `divMod`  -3 = (-1431655766,-2)
+1 `divMod`  -2 = (-2147483649,-1)
+1 `divMod`  -1 = (-4294967297,0)
 1 `divMod`  0 = divide by zero
 1 `divMod`  1 = (1,0)
 1 `divMod`  2 = (0,1)
 1 `divMod`  3 = (0,1)

-2 `divMod`  -3 = (-1,-1)
-2 `divMod`  -2 = (-1,0)
-2 `divMod`  -1 = (-2,0)
+2 `divMod`  -3 = (-1431655766,-1)
+2 `divMod`  -2 = (-2147483649,0)
+2 `divMod`  -1 = (-4294967298,0)
 2 `divMod`  0 = divide by zero
 2 `divMod`  1 = (2,0)
 2 `divMod`  2 = (1,0)
 2 `divMod`  3 = (0,2)

-3 `divMod`  -3 = (-1,0)
-3 `divMod`  -2 = (-2,-1)
-3 `divMod`  -1 = (-3,0)
+3 `divMod`  -3 = (-1431655767,0)
+3 `divMod`  -2 = (-2147483650,-1)
+3 `divMod`  -1 = (-4294967299,0)
 3 `divMod`  0 = divide by zero
 3 `divMod`  1 = (3,0)
 3 `divMod`  2 = (1,1)
@@ -6868,25 +6868,25 @@
 0 `div`     2 = 0
 0 `div`     3 = 0

-1 `div`     -3 = -1
-1 `div`     -2 = -1
-1 `div`     -1 = -1
+1 `div`     -3 = -1431655766
+1 `div`     -2 = -2147483649
+1 `div`     -1 = -4294967297
 1 `div`     0 = divide by zero
 1 `div`     1 = 1
 1 `div`     2 = 0
 1 `div`     3 = 0

-2 `div`     -3 = -1
-2 `div`     -2 = -1
-2 `div`     -1 = -2
+2 `div`     -3 = -1431655766
+2 `div`     -2 = -2147483649
+2 `div`     -1 = -4294967298
 2 `div`     0 = divide by zero
 2 `div`     1 = 2
 2 `div`     2 = 1
 2 `div`     3 = 0

-3 `div`     -3 = -1
-3 `div`     -2 = -2
-3 `div`     -1 = -3
+3 `div`     -3 = -1431655767
+3 `div`     -2 = -2147483650
+3 `div`     -1 = -4294967299
 3 `div`     0 = divide by zero
 3 `div`     1 = 3
 3 `div`     2 = 1
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