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annotate gcc/testsuite/gfortran.dg/trim_optimize_7.f90 @ 144:8f4e72ab4e11

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fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ! { dg-do run }
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2 ! { dg-options "-O -fdump-tree-original" }
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3 ! Check that trailing trims are also removed from assignment of
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4 ! expressions involving concatenations of strings .
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5 program main
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6 character(2) :: a,b,c
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7 character(8) :: d
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8 a = 'a '
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9 b = 'b '
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10 c = 'c '
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11 d = a // b // a // trim(c) ! This should be optimized away.
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12 if (d /= 'a b a c ') STOP 1
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13 d = a // trim(b) // c // a ! This shouldn't.
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14 if (d /= 'a bc a ') STOP 2
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15 d = a // b // a // trim(trim(c)) ! This should also be optimized away.
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16 if (d /= 'a b a c ') STOP 3
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17 end
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18 ! { dg-final { scan-tree-dump-times "string_len_trim" 1 "original" } }