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diff --git a/gcc/testsuite/gfortran.dg/boz_1.f90 b/gcc/testsuite/gfortran.dg/boz_1.f90
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+! { dg-do run }
+! Test the boz handling
+program boz
+
+ implicit none
+
+ integer(1), parameter :: b1 = b'00000001'
+ integer(2), parameter :: b2 = b'0101010110101010'
+ integer(4), parameter :: b4 = b'01110000111100001111000011110000'
+ integer(8), parameter :: &
+ & b8 = b'0111000011110000111100001111000011110000111100001111000011110000'
+
+ integer(1), parameter :: o1 = o'12'
+ integer(2), parameter :: o2 = o'4321'
+ integer(4), parameter :: o4 = o'43210765'
+ integer(8), parameter :: o8 = o'1234567076543210'
+
+ integer(1), parameter :: z1 = z'a'
+ integer(2), parameter :: z2 = z'ab'
+ integer(4), parameter :: z4 = z'dead'
+ integer(8), parameter :: z8 = z'deadbeef'
+
+ if (z1 /= 10_1) call abort
+ if (z2 /= 171_2) call abort
+ if (z4 /= 57005_4) call abort
+ if (z8 /= 3735928559_8) call abort
+
+ if (b1 /= 1_1) call abort
+ if (b2 /= 21930_2) call abort
+ if (b4 /= 1894838512_4) call abort
+ if (b8 /= 8138269444283625712_8) call abort
+
+ if (o1 /= 10_1) call abort
+ if (o2 /= 2257_2) call abort
+ if (o4 /= 9245173_4) call abort
+ if (o8 /= 45954958542472_8) call abort
+
+end program boz