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| author | Richard Biener <rguenther@suse.de> | 2020-12-09 09:56:59 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-12-09 11:45:48 +0100 |
| commit | 42bdf814493c2c39e7a6bd3fb2dd4491352ce5d9 (patch) | |
| tree | b6bb740b240055a5fe54dc9f89de1433ee1e280d | |
| parent | 1cb2d1d5ce178cb68f0bd475299d2e0b25a4a756 (diff) | |
| download | gcc-42bdf814493c2c39e7a6bd3fb2dd4491352ce5d9.zip gcc-42bdf814493c2c39e7a6bd3fb2dd4491352ce5d9.tar.gz gcc-42bdf814493c2c39e7a6bd3fb2dd4491352ce5d9.tar.bz2 | |
c/98200 - improve error recovery for GIMPLE FE
This avoids ICEing by making sure to propagate error early.
2020-12-09 Richard Biener <rguenther@suse.de>
PR c/98200
gcc/c/
* gimple-parser.c (c_parser_gimple_postfix_expression): Return
early on error.
gcc/testsuite/
* gcc.dg/gimplefe-error-8.c: New testcase.
| -rw-r--r-- | gcc/c/gimple-parser.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/gimplefe-error-8.c | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/c/gimple-parser.c b/gcc/c/gimple-parser.c index 5c0ed82..473cb90 100644 --- a/gcc/c/gimple-parser.c +++ b/gcc/c/gimple-parser.c @@ -1700,6 +1700,8 @@ c_parser_gimple_postfix_expression (gimple_parser &parser) expr.set_error (); break; } + if (expr.value == error_mark_node) + return expr; return c_parser_gimple_postfix_expression_after_primary (parser, EXPR_LOC_OR_LOC (expr.value, loc), expr); } diff --git a/gcc/testsuite/gcc.dg/gimplefe-error-8.c b/gcc/testsuite/gcc.dg/gimplefe-error-8.c new file mode 100644 index 0000000..59e81eb --- /dev/null +++ b/gcc/testsuite/gcc.dg/gimplefe-error-8.c @@ -0,0 +1,9 @@ +/* { dg-do compile } */ +/* { dg-options "-fgimple" } */ + +int __GIMPLE() f(int x, int y) +{ + int a; + a = (x < y) ? 1 : 2; /* { dg-error "expected" } */ + return a; +} |