http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47919
Summary: -fcompare-debug failure with custom flags
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
CC: aol...@gcc.gnu.org
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 23486
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23486
auto-reduced testcase
Compiler output:
$ gfortran -fgcse -frerun-cse-after-loop -O -funroll-loops
-fno-tree-loop-optimize -fno-tree-ter -fno-web -fcompare-debug
testcase-min1.f08 -save-temps
gfortran: error: testcase-min1.f08: -fcompare-debug failure (length)
(interestingly, -funroll-loops is documented to imply -frerun-cse-after-loop,
bug explicit -frerun-cse-after-loop is needed to reproduce)
Tested revisions:
r170522 - fail
4.5 r170013 - fail
