From dec1b5d735d60579e3164e772a507e97297f106b Mon Sep 17 00:00:00 2001 From: Andrew Pinski Date: Wed, 10 Sep 2008 19:09:13 +0000 Subject: [PATCH] re PR rtl-optimization/37333 (ICE in ira_flattening, at ira-build.c:2146) 2008-09-10 Andrew Pinski PR middle-end/37333 * gcc.c-torture/compile/20080910-1.c: New testcase. From-SVN: r140243 --- gcc/testsuite/ChangeLog | 5 +++ gcc/testsuite/gcc.c-torture/compile/20080910-1.c | 56 ++++++++++++++++++++++++ 2 files changed, 61 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/compile/20080910-1.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index cfa78e9..f4fca18 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-09-10 Andrew Pinski + + PR middle-end/37333 + * gcc.c-torture/compile/20080910-1.c: New testcase. + 2008-09-10 Richard Guenther PR middle-end/37432 diff --git a/gcc/testsuite/gcc.c-torture/compile/20080910-1.c b/gcc/testsuite/gcc.c-torture/compile/20080910-1.c new file mode 100644 index 0000000..bf32775 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20080910-1.c @@ -0,0 +1,56 @@ +/* This used to crash IRA with -O3 -fPIC. + See PR 37333. */ +struct yy_buffer_state { + int yy_is_interactive; +}; +static struct yy_buffer_state * * yy_buffer_stack = 0; +static int yy_n_chars; +int orafce_sql_yyleng; +unsigned char *yy_c_buf_p = 0; +extern char *orafce_sql_yytext; +static const int yy_ec[256] = { }; +short yy_accept[155], yy_base[193] = { }, yy_def[193] = { }; +short yy_chk[738] = { }; +unsigned char *yy_last_accepting_cpos; +int orafce_sql_yylex (int a) +{ + register int yy_current_state; + unsigned char *yy_cp, *yy_bp; + register int yy_act; + while ( 1 ) { + do { + char yy_c = yy_ec[*yy_cp]; + if ( yy_accept[yy_current_state] ) + yy_last_accepting_cpos = yy_cp; + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + yy_current_state = yy_def[yy_current_state]; + } while ( yy_current_state != 154 ); +yy_find_action: + yy_act = yy_accept[yy_current_state]; + *yy_cp = '\0'; + switch ( yy_act ) { + case 2: + *yy_cp = 1; + return 265; + case 24: + case 25: + addlit(orafce_sql_yytext, orafce_sql_yyleng); + case 26: + addlit(orafce_sql_yytext, orafce_sql_yyleng); + case 53: + yy_fatal_error( "flex scanner jammed" ); + break; + case 54: + yy_cp = ++(yy_c_buf_p); + unsigned long n = 0; + if ( yy_buffer_stack[0]->yy_is_interactive ) + for ( ; _IO_getc () != (-1) ; ++n ) + yy_n_chars = n; + if (a == 0) + { + yy_current_state = yy_get_previous_state( ); + goto yy_find_action; + } + } + } +} -- 2.7.4