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authorJerry DeLisle <jvdelisle@gcc.gnu.org>2010-01-09 19:01:41 +0000
committerJerry DeLisle <jvdelisle@gcc.gnu.org>2010-01-09 19:01:41 +0000
commit7a2631f3c621d9b1eec24b54252c3d53d4d63d99 (patch)
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re PR fortran/32489 (Endless loop when compiling - middle-end?)
2010-01-09 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR fortran/32489 * gfortran.dg/array_constructor_33.f90: New test. PR fortran/20923 Fix ChangeLog entry. From-SVN: r155773
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/array_constructor_34.f9027
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c2e9144..d69926e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -2,6 +2,11 @@
PR fortran/32489
* gfortran.dg/array_constructor_33.f90: New test.
+
+2010-01-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+
+ PR fortran/20923
+ * gfortran.dg/array_constructor_33.f90: New test.
gfortran.dg/array_function_5.f90: Add credit.
2010-01-09 Alexandre Oliva <aoliva@redhat.com>
diff --git a/gcc/testsuite/gfortran.dg/array_constructor_34.f90 b/gcc/testsuite/gfortran.dg/array_constructor_34.f90
new file mode 100644
index 0000000..1a0931a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/array_constructor_34.f90
@@ -0,0 +1,27 @@
+! { dg-do compile }
+! PR32489 Endless loop when compiling.
+! Derived from fft257.f90, Public domain 2004 James Van Buskirk.
+! Note: The problem solved here was not an infinite loop issue. Middle-end
+! could not handle the array constructor unfolded by the front end.
+! WARNING: Potential resource hog.
+! Jerry DeLisle <jvdelisle@gcc.gnu.org>
+program test
+ implicit none
+ integer, parameter :: dp = selected_real_kind(15,300)
+ integer, parameter :: N = 257
+ complex(dp) h1(0:N-1)
+ complex(dp) h2(0:N-1)
+ complex(dp) hh(0:N-1)
+ complex(dp), parameter :: ri(2) = (/(1,0),(0,1)/)
+ integer i, j, k, L
+ real(dp) pi
+
+ pi = 4*atan(1.0_dp)
+ do i = 0, N-1
+ do j = 1, 2
+ h2 = 0
+ h2(i) = ri(j)
+ h1 = (/(sum((/(exp(-2*pi*(0,1)*mod(k*L,N)/N)*h2(L),L=0,N-1)/)),k=0,N-1)/)
+ end do
+ end do
+end program test