Compile this test case with -fno-automatic: MacOSX:~ ed$ /Users/ed/bin-4.1.1/bin/gfortran -fno-automatic ARRAY_BADNESS.FOR ARRAY_BADNESS.FOR: In function 'bad': ARRAY_BADNESS.FOR:8: internal compiler error: in gfc_trans_auto_array_allocation, at fortran/trans-array.c:3321 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. MacOSX:~ ed$
Here is the reduced testcase: ========================================================= SUBROUTINE BAD ( NPRFL, HPRFL, XPRFL ) IMPLICIT NONE INTEGER NPRFL, I REAL HPRFL( NPRFL ), XPRFL( NPRFL ) DOUBLE PRECISION * DHPRFL( NPRFL ), DXPRFL( NPRFL ) C ------------------------------ C CONVERT SINGLE PRECISION REAL C INPUT TO DOUBLE PRECISION C ------------------------------ DO I = 1, NPRFL DXPRFL(I) = DBLE( XPRFL(I) ) DHPRFL(I) = DBLE( HPRFL(I) ) END DO RETURN END SUBROUTINE ========================================================= -- Summary: ICE compiling array variables with input size. Product: gcc Version: 4.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: 3dw4rd at verizon dot net GCC build triplet: powerpc-apple-darwin7.9.0 GCC host triplet: powerpc-apple-darwin7.9.0 GCC target triplet: powerpc-apple-darwin7.9.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28091