When running the testsuite with 4.0-20050609 (http://gcc.gnu.org/ml/gcc-testresults/2005-06/msg00629.html)
I get the following testsuite failures: FAIL: gcc.dg/format/ext-2.c bad use of I flag (test for warnings, line 72) FAIL: gcc.dg/format/ext-2.c (test for excess errors) FAIL: gcc.dg/format/ext-2.c -DWIDE bad use of I flag (test for warnings, line 72) FAIL: gcc.dg/format/ext-2.c -DWIDE (test for excess errors) The above testsuite failure do not occur when running the testsuite with GCC 4.0.1 RC (http://gcc.gnu.org/ml/gcc-testresults/2005-06/msg00504.html) -- Summary: [4.0 Regression] gcc.dg/format/ext-2.c Product: gcc Version: 4.0.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: testsuite AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: themis_hv at yahoo dot co dot uk CC: gcc-bugs at gcc dot gnu dot org,themis_hv at yahoo dot co dot uk GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21996