Command line: $ gcc -O[123s] testcase.c ----- testcase.c ----- static double num; int foo (void) { return *(unsigned *)# } ---------------------- (reduced from gcc.c-torture/compile/pr39824.c)
Compiler output: $ gcc -O1 testcase.c testcase.c: In function 'foo': testcase.c:2:5: internal compiler error: in fold_convert_const_int_from_real, at fold-const.c:1548 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r161659 - crash (+rtl,df checking) r161481 - OK (+rtl,df checking) r161383 - OK (+rtl,df checking) -- Summary: [4.6 Regression] ICE: in fold_convert_const_int_from_real, at fold-const.c:1548 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu GCC target triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44748