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diff --git a/test/MC/AsmParser/floating-literals.s b/test/MC/AsmParser/floating-literals.s
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+# RUN: llvm-mc -triple i386-unknown-unknown %s | FileCheck %s
+
+# CHECK: .long 1067412619
+# CHECK: .long 1075000115
+# CHECK: .long 1077936128
+# CHECK: .long 1082549862
+.single 1.2455, +2.3, 3, + 4.2
+
+# CHECK: .quad 4617315517961601024
+# CHECK: .quad 4597526701198935065
+# CHECK: .quad -4600933674317040845
+.double 5, .232, -11.1
+
+# CHECK: .quad 0
+.double 0.0
+
+# CHECK: .quad -4570379565595099136
+.double -1.2e3
+# CHECK: .quad -4690170861623122860
+.double -1.2e-5
+# CHECK: .quad -4465782973978902528
+.double -1.2e+10
+# CHECK: .quad 4681608360884174848
+.double 1e5
+# CHECK: .quad 4681608360884174848
+.double 1.e5
+# CHECK: .quad 4611686018427387904
+.double 2.
+
+// APFloat should reject these with an error, not crash:
+//.double -1.2e+
+//.double -1.2e