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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gfortran.dg/string_compare_4.f90 | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.dg/string_compare_4.f90')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.dg/string_compare_4.f90 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.dg/string_compare_4.f90 b/gcc-4.9/gcc/testsuite/gfortran.dg/string_compare_4.f90 new file mode 100644 index 000000000..64cbf93bf --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.dg/string_compare_4.f90 @@ -0,0 +1,23 @@ +! { dg-do compile } +! { dg-options "-ffrontend-optimize -fdump-tree-original" } +! PR fortran/52537 - optimize comparisons with empty strings +program main + implicit none + character(len=10) :: a + character(len=30) :: line + character(len=4,kind=4) :: c4 + line = 'x' + read (unit=line,fmt='(A)') a + c4 = 4_'foo' + if (c4 == 4_' ') print *,"foobar" + if (trim(a) == '') print *,"empty" + call foo(a) + if (trim(a) == ' ') print *,"empty" +contains + subroutine foo(b) + character(*) :: b + if (b /= ' ') print *,"full" + end subroutine foo +end program main +! { dg-final { scan-tree-dump-times "_gfortran_string_len_trim" 4 "original" } } +! { dg-final { cleanup-tree-dump "original" } } |