Allow const expr in builtin_frame_address/builtin_return_address

herman ten brugge committed 3 years ago

Commit 79d439e1 parent 560526a2 files · +3 −10Browse files

Unified · Split

2 files

@@ -5601,17 +5601,16 @@ ST_FUNC void unary(void) · 5600 unmodified lines
5601	5601	case TOK_builtin_return_address:
5602	5602	{
5603	5603	int tok1 = tok;
5604		− int level;
	5604	+ int64_t level;
5605	5605	next();
5606	5606	skip('(');
5607		− if (tok != TOK_CINT) {
	5607	+ level = expr_const64();
	5608	+ if (level < 0) {
5608	5609	tcc_error("%s only takes positive integers",
5609	5610	tok1 == TOK_builtin_return_address ?
5610	5611	"__builtin_return_address" :
5611	5612	"__builtin_frame_address");
5612	5613	}
5613		− level = (uint32_t)tokc.i;
5614		− next();
5615	5614	skip(')');
5616	5615	type.t = VT_VOID;
5617	5616	mk_pointer(&type);

@@ -25,12 +25,6 @@ int compile_errors(void) · 24 unmodified lines
25	25	l1: return 1;
26	26	l2: return 2;
27	27	}
28		−#endif
29		−#if TEST == 4
30		− {
31		− /* Only integer allowed */
32		− __builtin_return_address(0 + 1) != NULL;
33		− }
34	28	#endif
35	29	return 0;
36	30	}

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